<p>Today's Image of the Day from NASA Earth Observatory features a satellite view of retreating glaciers in Alaska, where meltwater is rapidly expanding glacial lakes. The image was captured on August 4, 2024 by the Landsat 8 satellite.</p>



<p>“In parts of Alaska, water is replacing ice. As glaciers thin and <a href="https://www.earth.com/news/satellite-images-reveal-hidden-retreat-of-arctic-glaciers/" target="_blank" rel="noreferrer noopener">retreat</a>, meltwater collects at their fronts, forming proglacial lakes. According to an analysis by Mauri Pelto, a glaciologist at Nichols College, three such lakes in the southeastern part of the state have grown rapidly in recent decades,” said <a href="https://earthobservatory.nasa.gov/" target="_blank" rel="noreferrer noopener">NASA</a>.</p>



<h2 class="wp-block-heading" id="h-retreating-glaciers-in-alaska">Retreating glaciers in Alaska</h2>



<p>“A trio of glaciers - Yakutat, Alsek, and Grand Plateau - descend from inland mountains and flow onto the coastal plain southeast of Yakutat borough, ending at Harlequin Lake, Alsek Lake, and Grand Plateau Lake,” noted NASA.&nbsp;</p>



<p>The retreat of the glaciers, as well as the growth of the lakes, are visible in the image. When compared to an <a href="https://eoimages.gsfc.nasa.gov/images/imagerecords/153000/153638/fastestlake_tm5_19840705_lrg.jpg" target="_blank" rel="noreferrer noopener">image</a> captured by Landsat 5 in the summer of 1984, the changes are even more evident.</p>



<p>NASA elaborated on the extent of the glacier retreat from 1984 to 2024. “During this period, Yakutat Glacier’s main arm retreated 4.3 miles, while Alsek Glacier’s northern and southern arms retreated 3.3 miles and 3.4 miles, respectively. Grand Plateau Glacier’s northern arm lost the most, retreating 4.8 miles.”</p>



<h2 class="wp-block-heading" id="h-glacial-lakes-doubled-in-size-nbsp">Glacial lakes doubled in size&nbsp;</h2>



<p>“Collectively, the three lakes more than doubled in size over 40 years. In 1984, they covered about 50 square miles. By 2024, they spanned 90 square miles. That’s an area larger than Seneca Lake (67 square miles) - one of the Finger Lakes in New York, which also have a glacial origin,” said NASA.</p>



<p>Pelto noted that the lakes forming in this region are immense - starting at the mountains and spreading toward the coast - making this a new lake district that is unique in our nation.</p>



<p>“Millions of other lakes, named and unnamed, dot the state. But this system has grown fast, so much so that Pelto thinks it might represent the fastest lake growth in the United States this century,” said NASA.</p>



<h2 class="wp-block-heading" id="h-understanding-glacier-retreat-nbsp">Understanding glacier retreat&nbsp;</h2>



<p>Glacier retreat is a significant phenomenon driven primarily by global warming the results from rising greenhouse gas <a href="https://www.earth.com/news/global-carbon-dioxide-emissions-hit-a-record-high-in-2023/" target="_blank" rel="noreferrer noopener">emissions</a>. </p>



<p>As temperatures rise, glaciers lose more ice during the summer melt than they can regain in winter snowfall, causing them to shrink over time. This process has profound implications for ecosystems, water resources, and global sea levels.</p>



<h3 class="wp-block-heading" id="h-glacial-lakes">Glacial lakes</h3>



<p>When glaciers retreat, they often leave behind depressions in the landscape that can fill with meltwater, forming glacial lakes. These lakes are typically bounded by natural dams made of rock, ice, or moraine - accumulations of debris left behind by the glacier's movement.&nbsp;</p>



<p>Over the past century, the number and size of glacial lakes worldwide have increased significantly due to the accelerating pace of <a href="https://www.earth.com/news/tropical-glaciers-offer-a-glimpse-of-our-harsh-climate-reality/" target="_blank" rel="noreferrer noopener">glacier</a> retreat. This trend is especially evident in high-altitude regions like the Himalayas, the Andes, and the Alps, as well as in polar areas such as Alaska and Greenland.</p>



<h3 class="wp-block-heading" id="h-positive-and-negative-impacts-nbsp">Positive and negative impacts&nbsp;</h3>



<p>Glacial lakes can have both positive and negative impacts. They provide critical water sources for downstream communities, support biodiversity, and sometimes offer opportunities for hydropower development or tourism.&nbsp;</p>



<p>However, they also pose serious risks. The dams holding back these lakes can fail suddenly, causing glacial lake outburst floods (GLOFs). These catastrophic events can devastate downstream areas, destroying infrastructure, agricultural lands, and habitats while endangering human lives.</p>



<h3 class="wp-block-heading" id="h-monitoring-changes">Monitoring changes</h3>



<p>Understanding glacier retreat and glacial lake formation requires a multidisciplinary approach, combining climate science, hydrology, and geology.&nbsp;</p>



<p>Monitoring these changes is essential to mitigate associated risks and adapt to the evolving landscape shaped by a <a href="https://search.app?link=https%3A%2F%2Fwww.earth.com%2Fnews%2Fperu-has-lost-over-half-of-its-glaciers-in-six-decades%2F&amp;utm_campaign=aga&amp;utm_source=agsadl2%2Csh%2Fx%2Fgs%2Fm2%2F4" target="_blank" rel="noreferrer noopener">warming planet</a>.</p>



<h2 class="wp-block-heading" id="h-glacier-retreat-worldwide">Glacier retreat worldwide</h2>



<p>Studies and satellite observations show that most glaciers in almost all regions of the world are shrinking.&nbsp;</p>



<p>Melting glaciers contribute significantly to global <a href="https://www.earth.com/news/emergency-meeting-reveals-the-alarming-extent-of-antarcticas-ice-loss/" target="_blank" rel="noreferrer noopener">sea level rise</a>, which threatens coastal communities and ecosystems.</p>



<p>The retreat of glaciers is considered one of the clearest indicators of climate change. Some glaciers are retreating at unprecedented rates, indicating accelerating climate impacts.</p>



<p>Image Credit: NASA Earth Observatory</p>



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Retreating glaciers and expanding meltwater lakes in Alaska

Today's Image of the Day from NASA Earth Observatory features...

<p>Today's <strong>Image of the Day</strong> from the European Space Agency features the star-forming region NGC 604, which is located 2.73 million light-years away from Earth in the Triangulum Galaxy (M33). The image was captured by the James Webb Space Telescope.</p>



<p>By studying regions like NGC 604, astronomers can gain insights into the complex interactions between stars and the interstellar medium, as well as the conditions that lead to the birth of stars. This, in turn, helps in understanding the evolution of <a href="https://www.earth.com/news/galaxies-like-our-own-milky-way-are-not-unique/" target="_blank" rel="noreferrer noopener">galaxies</a> and the universe as a whole.</p>



<h2 class="wp-block-heading" id="h-massive-stars-of-ngc-604">Massive stars of NGC 604</h2>



<p>"Sheltered among NGC 604’s dusty envelopes of gas are more than 200 of the hottest, most massive kinds of stars, all in the early stages of their lives," said <a href="https://www.esa.int/" target="_blank" rel="noreferrer noopener">ESA</a>.</p>



<p>"These types of stars are known as B-types and O-types, the latter of which can be more than 100 times the mass of our own Sun. It’s quite rare to find this concentration of them in the nearby universe. In fact, there’s no similar region within our own Milky Way galaxy."</p>



<p>According to ESA, this concentration of massive stars, combined with its relatively close distance, means NGC 604 gives astronomers an opportunity to study these objects at a fascinating time early in their life.</p>



<h2 class="wp-block-heading" id="h-gigantic-region-of-ionized-hydrogen">Gigantic region of ionized hydrogen</h2>



<p>NGC 604 is one of the largest known regions of ionized hydrogen, also known as an H II region. This nebula is significantly larger than the Orion Nebula, which is one of the most well-known H II regions in our own <a href="https://www.earth.com/news/large-amount-of-dark-matter-may-be-missing-from-the-milky-way/" target="_blank" rel="noreferrer noopener">Milky Way galaxy</a>.&nbsp;</p>



<p>NGC 604 spans about 1,500 light-years across, making it one of the largest H II regions in the Local Group of galaxies. This group includes the Milky Way, the Andromeda Galaxy, and about 54 other smaller galaxies. </p>



<h2 class="wp-block-heading" id="h-ngc-604-starburst-phenomenon">NGC 604 starburst phenomenon </h2>



<p>Within NGC 604, there are hundreds of young, hot, massive <a href="https://www.earth.com/news/stars-at-the-edge-of-our-milky-way-galaxy-travel-more-slowly/" target="_blank" rel="noreferrer noopener">stars</a>. These stars have ionized the surrounding gas, causing it to glow and creating the nebula. The region is a prime example of a starburst phenomenon, where stars form at a much higher rate than in typical galactic conditions.</p>



<p>“The bright orange streaks in this image signify the presence of carbon-based molecules known as polycyclic aromatic hydrocarbons, or PAHs," explained ESA.</p>



<p>"As you travel further from the immediate cavities of dust where the star is forming, the deeper red signifies molecular hydrogen. This cooler gas is a prime environment for star formation. Ionized hydrogen from ultraviolet radiation appears as a white and blue ghostly glow."</p>



<h2 class="wp-block-heading" id="h-more-about-star-formation">More about star formation </h2>



<p>Star formation is crucial for the evolution of galaxies and the synthesis of heavy elements. In the cores of stars, elements heavier than helium are created.</p>



<p>The elements are spread throughout the <a href="https://www.earth.com/news/ancient-stars-shakti-shiva-shaped-milky-way-galaxy/" target="_blank" rel="noreferrer noopener">galaxy</a> when stars reach the end of their lives and expel their material - either gently through winds or violently via supernova explosions. This enriching process allows for the formation of new stars and planets, and ultimately, the potential for life.</p>



<h3 class="wp-block-heading">Cloud collapse</h3>



<p>The process begins when part of a molecular cloud becomes unstable and starts to collapse under its own gravity. This can be triggered by events like shock waves from nearby <a href="https://www.earth.com/news/supernova-explosions-could-damage-distant-planets/" target="_blank" rel="noreferrer noopener">supernovae</a>, galactic collisions, or the influence of other massive stars.</p>



<h3 class="wp-block-heading">Formation of a protostar</h3>



<p>As the cloud collapses, it fragments into smaller clumps. Each clump will eventually form one or more stars. </p>



<p>The material within these clumps continues to fall inward, heating up as it does so, eventually forming a warm core called a protostar. At this stage, the protostar is not yet hot enough for nuclear fusion (the process that powers stars) to occur.</p>



<h3 class="wp-block-heading">Accretion disk</h3>



<p>Around the protostar, material from the surrounding cloud continues to fall inward, forming a rotating disk. This material slowly accretes onto the protostar, increasing its mass.</p>



<h3 class="wp-block-heading">Nuclear fusion begins</h3>



<p>Once the core of the protostar reaches a high enough temperature and pressure, hydrogen atoms begin to fuse into helium, releasing energy in the process. This marks the transition from a protostar to a main sequence star, like our sun.</p>



<h3 class="wp-block-heading">Main sequence and beyond</h3>



<p>The star will spend the majority of its life in the main sequence stage, where it balances the gravitational forces trying to collapse it and the outward pressure from nuclear fusion. </p>



<p>Eventually, the star will exhaust its hydrogen fuel. Its subsequent evolution will depend on its initial mass, leading to various end stages such as red giants, supernovae, neutron stars, or black holes.</p>



<p>Image Credit: NASA/ESA/CSA James Webb Space Telescope</p>



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Young, massive stars in the Triangulum Galaxy

Today's Image of the Day from the European Space Agency...

<p>Today's Image of the Day from NASA Earth Observatory features the Messak Settafet, a rocky plateau located in the central Sahara Desert. It is part of the greater Messak Plateau, which stretches between the Erg Uan Kasa and the Murzuq Sand Sea.&nbsp;</p>



<p>The plateau's surface is characterized by blackened sandstone, sculpted by thousands of years of wind erosion. This dark patina, often referred to as "desert varnish," adds to its distinctive appearance. The region is starkly beautiful but harsh, with extreme temperatures and minimal <a href="https://www.earth.com/news/even-desert-plants-are-not-immune-to-climate-stress/" target="_blank" rel="noreferrer noopener">vegetation</a>.</p>



<h2 class="wp-block-heading" id="h-image-of-the-messak-settafet">Image of the Messak Settafet</h2>



<p>“Towering over the desert in southwestern Libya, the Messak Settafet plateau resembles the wall of a giant fortress, with its dark, erosion-resistant sandstone separating the Ubari Sand Sea to the north and the Marzūq Sand Sea to the south,” noted NASA.</p>



<p>“The large outcrop of Cretaceous rock features a sharp escarpment on its north side. The cliff, some 300 meters (1,000 feet) high in places, is lined with a thin dark shadow.”&nbsp;</p>



<p>“Dark debris from rockfalls is visible to the north. Note that an optical illusion called relief inversion can make high-elevation areas appear low and vice versa when shadows appear on the northern side of a feature.”</p>



<p>Archaeological significance of the plateau&nbsp;</p>



<p>Messak Settafet is often referred to as the "land of stone tools" because it is one of the world's largest sites for prehistoric tools.&nbsp;</p>



<p>The area is littered with countless <a href="https://search.app?link=https%3A%2F%2Fwww.earth.com%2Fnews%2Fstone-tool-discovery-challenges-entire-theory-of-human-evolution%2F&amp;utm_campaign=aga&amp;utm_source=agsadl2%2Csh%2Fx%2Fgs%2Fm2%2F4" target="_blank" rel="noreferrer noopener">stone tools</a> and artifacts dating back to various prehistoric periods, including the Acheulean and Neolithic. These tools offer insights into early human technology and adaptation to desert environments.</p>



<p>“Signs of ancient tool making cover much of the plateau’s surface,” said <a href="https://www.nasa.gov/" target="_blank" rel="noreferrer noopener">NASA</a>. “According to one archaeological survey, people discarded so many stone tools and rock fragments on the plateau over hundreds of thousands of years that roughly 75 artifacts per square meter now carpet the surface.” </p>



<p>“That makes this one of the earliest known examples of hominins modifying an entire landscape, according to the University of Cambridge archaeologists who conducted the survey.”</p>



<p>“Other signs of ancient activity include the bright spots that dot the image. These areas were likely quarrying pits where people dug up rocks and crafted them into tools, the archaeologists reported.”&nbsp;</p>



<h2 class="wp-block-heading" id="h-rock-art-on-the-plateau-nbsp">Rock art on the plateau&nbsp;</h2>



<p>The plateau is home to numerous petroglyphs and <a href="https://www.earth.com/news/negev-petroglyphs-ancient-art-rock-carvings-face-erosion-fungi-lichens/" target="_blank" rel="noreferrer noopener">carvings</a>. These engravings depict animals, humans, and symbolic designs, providing valuable clues about the lives, beliefs, and environments of the region's ancient inhabitants. </p>



<p>“For instance, Wadi Mathendous, a prehistoric archaeological site located in the southern part of the plateau, contains engravings of rhinoceroses, crocodiles, hippopotamuses, fighting cats, giraffes, long-horned buffaloes, and elephants. The art is thought to be about 8,000 years old,” said NASA.</p>



<p>Some of the animals depicted, such as giraffes and elephants, indicate that the Sahara was once a <a href="https://search.app?link=https%3A%2F%2Fwww.earth.com%2Fnews%2Fa-lush-green-sahara-desert-helped-early-humans-migrate-out-of-africa%2F&amp;utm_campaign=aga&amp;utm_source=agsadl2%2Csh%2Fx%2Fgs%2Fm2%2F4" target="_blank" rel="noreferrer noopener">much wetter</a> and more hospitable environment.</p>



<p>Cultural significance of the Messak Settafet</p>



<p>Messak Settafet forms part of the Rock-Art Sites of Tadrart Acacus, a UNESCO World Heritage Site since 1985. This designation highlights the area's importance for understanding early human culture and environmental changes in the Sahara.</p>



<p>The plateau has been a critical area for studying the migration and adaptation of early humans. Its archaeological richness offers a glimpse into how humans thrived in this region during periods when the climate was wetter.</p>



<p>“Although the plateau now receives less than 0.4 inches of rain annually, clues in the landscape make clear it was once much wetter,” noted NASA.</p>



<p>“Deeply incised dried stream valleys, or wadis, crisscross the plateau, indicating significant past water flow. The small, bright features scattered across the plateau are sand and silt deposits left where water once pooled.”</p>



<p>The Messak Settafet, like many remote <a href="https://www.earth.com/news/sahara-desert-dust-storms-carry-harmful-bacteria-and-fungi-around-the-globe/" target="_blank" rel="noreferrer noopener">desert</a> regions, faces challenges such as erosion, vandalism of ancient rock art, and the potential impacts of development. Efforts to preserve its archaeological treasures are vital for protecting its cultural and scientific significance.</p>



<p>The image was captured November 17, 2024 by the Operational Land Imager-2 (OLI-2) on Landsat 9 on&nbsp;</p>



<p>Image Credit: NASA Earth Observatory</p>



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Messak Settafet plateau in the Sahara Desert

<p>Today's <strong>Image of the Day</strong> from the European Space Agency features the western part of Grand Bahama, the northernmost island in the Bahamas, captured by the Copernicus Sentinel-2 satellite system.&nbsp;</p>



<p>Grand Bahama is known for its beautiful beaches, clear turquoise waters, and vibrant tourism industry. The island is the fourth largest in the Bahamas and is one of the most popular tourist destinations in the region.</p>



<h2 class="wp-block-heading" id="h-main-cities-of-grand-bahama-nbsp">Main cities of Grand Bahama&nbsp;</h2>



<p>“Grand Bahama’s two main cities are both visible in the image: West End on the northwestern tip of the island and Freeport on the southern shore,” noted <a href="https://www.esa.int/" target="_blank" rel="noreferrer noopener">ESA</a>.</p>



<p>“West End is the oldest city on the island, and the capital. The runway of West End airport, the smaller of the two airports serving Grand Bahama, can be spotted west of the city.”</p>



<p>Freeport serves as a hub for tourism, trade, and commerce. It was developed as a free trade zone in the 1950s, which has helped drive its growth.</p>



<h2 class="wp-block-heading" id="h-geography-and-climate">Geography and climate</h2>



<p>Grand Bahama is situated about 55 miles off the coast of Florida, making it one of the closest islands in the Bahamas to the United States.</p>



<p>The island has a tropical climate, with warm <a href="https://www.earth.com/news/global-temperatures-increase-scientists-plan-slow-down-rising-heat/" target="_blank" rel="noreferrer noopener">temperatures</a> year-round. It experiences a wet season from May to October and a dry season from November to April.</p>



<p>The rainy season is from May to October, with the wettest months being August and September. Thunderstorms are common during this period, and the island can experience heavy rainfall, especially during hurricane season.</p>



<p>The humidity level is consistently high due to the tropical location, often exceeding 70 percent. It peaks during the rainy season, making it feel <a href="https://www.earth.com/news/what-temperature-threshold-can-the-human-body-handle/" target="_blank" rel="noreferrer noopener">hotter</a> than the actual temperature.</p>



<h2 class="wp-block-heading" id="h-hurricanes-on-grand-bahama">Hurricanes on Grand Bahama</h2>



<p><a href="https://www.earth.com/news/scientists-propose-adding-a-category-6-to-the-current-hurricane-intensity-scale/" target="_blank" rel="noreferrer noopener">Hurricanes</a> have left a lasting impact on the infrastructure, economy, and environment of Grand Bahama.&nbsp;</p>



<p>Recovery efforts from such destructive storms often take years, and the island's experience with hurricanes has highlighted the vulnerability of coastal communities in the face of increasingly severe weather events.</p>



<p>Dorian was one of the most devastating hurricanes to hit Grand Bahama. It was a Category 5 storm with maximum sustained winds of 185 miles per hour.&nbsp;</p>



<p>The hurricane caused catastrophic damage, including widespread flooding, destruction of homes and infrastructure, and loss of life. Dorian stalled over the island, leading to prolonged and intense damage.</p>



<h2 class="wp-block-heading" id="h-tourism-nbsp-on-grand-bahama">Tourism&nbsp;on Grand Bahama</h2>



<p>Grand Bahama is known for its stunning beaches, such as Lucaya Beach, Xanadu Beach, and Taino Beach. The island offers various water activities, including snorkeling, scuba diving, and boating.</p>



<p>The Lucayan National Park is a popular natural attraction, featuring one of the world's longest underwater cave systems, as well as beautiful <a href="https://www.earth.com/news/mangroves-and-saltmarshes-are-much-better-at-storing-carbon-than-previously-believed/" target="_blank" rel="noreferrer noopener">mangroves</a> and wetlands.</p>



<p>Port Lucaya Marketplace is a vibrant area with shops, restaurants, and entertainment, often considered the heart of Grand Bahama’s tourist activity.</p>



<p>Grand Bahama has been working on revitalizing its tourism industry, especially after facing challenges like hurricanes and the Covid-19 pandemic. Efforts include upgrading infrastructure, improving facilities, and promoting sustainable tourism practices. </p>



<p>The island offers various <a href="https://www.earth.com/news/travelers-are-ready-for-more-affordable-eco-friendly-options/" target="_blank" rel="noreferrer noopener">eco-tourism</a> activities, including kayaking through mangroves, bird watching, and exploring its unique ecosystems, which attract visitors interested in environmental conservation and sustainable travel.</p>



<h2 class="wp-block-heading" id="h-grand-bahama-folklore">Grand Bahama folklore</h2>



<p>On Grand Bahama Island, folklore and supernatural tales have been passed down through generations.</p>



<h3 class="wp-block-heading" id="h-the-chickcharney">The Chickcharney</h3>



<p>The Chickcharney is a legendary creature believed to inhabit the forests of the Bahamas, including Grand Bahama. Described as a large, bird-like creature with red eyes and three-toed feet, it is said to bring good luck to those who encounter it and treat it with respect.&nbsp;</p>



<p>However, those who mock or disrespect it might find themselves cursed with bad luck. The Chickcharney is deeply rooted in Bahamian folklore and is often depicted as a guardian of the forests.</p>



<h3 class="wp-block-heading" id="h-the-ghost-of-rand-nature-center">The ghost of Rand Nature Center</h3>



<p>The Rand Nature Center in Freeport is rumored to be haunted by the ghost of a former caretaker. Visitors and staff have reported strange occurrences, such as unexplained footsteps, cold spots, and the feeling of being watched.&nbsp;</p>



<p>Some believe the caretaker's spirit lingers to ensure the park is well-maintained and respected by those who visit.</p>



<h3 class="wp-block-heading" id="h-the-lost-city-of-atlantis">The lost city of Atlantis</h3>



<p>While not unique to Grand Bahama, the legend of Atlantis has a connection to the Bahamas. Some believe that parts of the lost city lie submerged off the coast of the island.&nbsp;</p>



<p>There are tales of divers encountering mysterious underwater structures and strange phenomena, leading to speculation that these ruins could be remnants of the ancient civilization.</p>



<p>These stories are an integral part of the island's cultural heritage, blending history, myth, and the supernatural. Whether one believes in the supernatural or not, the tales continue to capture the imagination of both locals and visitors to Grand Bahama.</p>



<p>Image Credit: Copernicus Sentinel data (2023), processed by ESA</p>



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Grand Bahama: A blend of beauty and resilience 

<p>Today's <strong>Image of the Day</strong> from NASA Earth Observatory features an astronaut view of the Aladaghlar Mountains in northwestern Iran.</p>



<p>These <a href="https://www.earth.com/news/how-and-why-do-mountains-form-new-theories-for-an-age-old-mystery/" target="_blank" rel="noreferrer noopener">mountains</a> are known for their strikingly colorful landscapes, which make them stand out among other mountain ranges.</p>



<h2 class="wp-block-heading" id="h-landscape-of-the-aladaghlar-mountains">Landscape of the Aladaghlar Mountains</h2>



<p>"Ridges cast shadows in the valleys and other low elevation areas, creating a three-dimensional appearance. Human alterations to the landscape are most evident in riverbeds, where the even topography is easier to build on and navigate," said <a href="https://earthobservatory.nasa.gov/" target="_blank" rel="noreferrer noopener">NASA</a>.</p>



<p>"Natural processes over millions of years have folded rock layers of various compositions and colors into the curved patterns seen here. These folds are produced by tectonic forces operating along the convergent plate boundary of the Arabia and Eurasia plates." </p>



<h2 class="wp-block-heading" id="h-the-rainbow-mountains">The Rainbow Mountains</h2>



<p>One of the most remarkable features of the Aladaghlar Mountains is the vivid coloration of their slopes. </p>



<p>The name "Aladaghlar" translates to "colorful mountains," which is a testament to their unique appearance.&nbsp;They are also known as the Rainbow Mountains.</p>



<h2 class="wp-block-heading" id="h-wildlife-of-the-aladaghlar-mountains">Wildlife of the Aladaghlar Mountains </h2>



<p>The Aladaghlar Mountains are part of a larger <a href="https://www.earth.com/news/mountain-ecosystems-are-in-urgent-need-of-protection/" target="_blank" rel="noreferrer noopener">ecosystem</a> that includes forests, meadows, and rivers, contributing to a rich biodiversity. </p>



<p>The region supports a variety of wildlife, including several species that are unique to the area. The diverse wildlife add to the natural beauty and ecological importance of these <a href="https://www.earth.com/news/how-and-why-do-mountains-form-new-theories-for-an-age-old-mystery/" target="_blank" rel="noreferrer noopener">mountains</a>.</p>



<p>Among the larger mammals, the mountains host species such as brown bears, Persian leopards, and wild goats. The Aladaghlar Mountains also support smaller mammals, including foxes, hares, and various rodent species.&nbsp;</p>



<p><a href="https://www.earth.com/news/how-mountains-influence-bird-evolution/" target="_blank" rel="noreferrer noopener">Birdlife</a> is abundant, including eagles, falcons, and a variety of songbirds. Reptiles like lizards and snakes are commonly found in the more humid areas, as well as amphibians.&nbsp;</p>



<h2 class="wp-block-heading" id="h-cultural-significance-of-the-region">Cultural significance of the region</h2>



<p>In addition to their natural appeal, the Aladaghlar Mountains hold cultural significance. The region has a rich history, with evidence of ancient civilizations and historical sites. </p>



<p>Local communities have their unique cultures and traditions, which have been influenced by the natural environment of the mountains.</p>



<h2 class="wp-block-heading" id="h-geology-of-the-aladaghlar-mountains-nbsp">Geology of the Aladaghlar Mountains&nbsp;</h2>



<p>The geological history of these <a href="https://www.earth.com/news/mountains-both-carbon-sinks-and-carbon-sources/" target="_blank" rel="noreferrer noopener">mountains</a> is a fascinating tale of millions of years of natural processes.</p>



<p>The Aladaghlar Mountains are primarily composed of sedimentary rocks that have accumulated over millions of years. These sediments include sandstones, siltstones, shales, and conglomerates.</p>



<h3 class="wp-block-heading" id="h-mineral-deposition-nbsp">Mineral deposition&nbsp;</h3>



<p>The varying colors of the Aladaghlar Mountains are largely due to the presence of different minerals in the sedimentary layers. For example, red and orange hues are typically due to iron oxides, while greens can result from copper compounds.</p>



<p>These minerals were deposited in the sedimentary rocks through processes such as chemical precipitation, biological activity, and the weathering of parent rocks.</p>



<h3 class="wp-block-heading" id="h-tectonic-activity">Tectonic activity</h3>



<p>The region has experienced significant tectonic activity due to its location near the convergent boundary between the Arabian and Eurasian plates. This tectonic activity has caused the uplift and folding of the sedimentary layers, creating the mountain range.</p>



<p>The compression and folding associated with tectonic movements have also contributed to the exposure of the colorful strata that were originally deposited horizontally.</p>



<h3 class="wp-block-heading" id="h-erosion-and-weathering">Erosion and weathering</h3>



<p>Over time, erosion and weathering processes have played a crucial role in shaping the Aladaghlar Mountains. </p>



<p>Wind, water, and temperature variations have eroded the softer rock layers more quickly than the harder ones, creating the distinctive ridges and valleys seen today.</p>



<p>These erosive processes have also helped to expose the underlying layers, revealing the vibrant colors and intricate patterns that attract tourists and geologists alike.</p>



<h2 class="wp-block-heading">Tales and legends</h2>



<p>One of the most famous tales associated with the Aladaghlar Mountains is that of a hidden treasure buried deep within the mountains by an ancient Persian king.&nbsp;</p>



<p>According to legend, the treasure is guarded by mystical creatures and can only be found by someone pure of heart and brave enough to face the challenges of the mountain.</p>



<h3 class="wp-block-heading">The shepherd and the fairy</h3>



<p>Another local legend tells the story of a young shepherd who fell in love with a fairy he encountered in the Aladaghlar Mountains. The fairy granted the shepherd three wishes, but warned him that the wishes would come with consequences.&nbsp;</p>



<p>Despite the warning, the shepherd made his wishes, which ultimately led to his downfall, serving as a cautionary tale about the dangers of greed.</p>



<h3 class="wp-block-heading">The healing springs</h3>



<p>The Aladaghlar Mountains are also said to be home to a spring with magical healing properties. According to folklore, those who bathe in the spring or drink its water are cured of all ailments.&nbsp;</p>



<p>However, the location of the spring is a closely guarded secret, known only to a few wise elders in the nearby villages.</p>



<h3 class="wp-block-heading">The spirit of the mountain&nbsp;</h3>



<p>Some locals believe that the Aladaghlar Mountains are inhabited by a protective spirit, who watches over the land and its people.&nbsp;</p>



<p>This spirit is said to bring good fortune to those who respect the mountain and its natural beauty, but misfortune to those who exploit or harm it.</p>



<p>Image Credit: NASA Earth Observatory&nbsp;</p>



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The Aladaghlar Mountains of northwestern Iran

<p>Quantum states, such as quantum superposition "cat states," are notorious for their fragility, often disappearing in the blink of an eye. But imagine keeping such a delicate state stable not just for seconds, but for nearly half an hour. </p>



<p>That's exactly what a team of scientists has achieved, maintaining a quantum superposition -- known as a "cat state" -- for an astonishing 23 minutes.</p>



<h2 class="wp-block-heading" id="h-quantum-cat-states-and-superposition">Quantum "cat states" and superposition</h2>



<p>Quantum superposition is the idea that tiny particles can be in <a href="https://www.earth.com/news/quantum-entanglement-a-simple-way-to-grasp-this-impossible-concept-carl-kocher/" target="_blank" rel="noreferrer noopener">multiple states at the same time</a>. A great way to understand this is through Schrödinger's cat, a famous thought experiment.</p>



<p>Imagine you have a cat in a closed box with a device that has a 50% chance of releasing poison based on something random happening at the quantum level, like an atom decaying. </p>



<p>According to superposition, until you open the box to check, the cat is both alive and dead at the same time. </p>



<p>This strange scenario shows just how weird and mind-bending quantum mechanics can be, challenging our everyday ideas about how things work.</p>



<p>The "cat state" takes this superposition idea and applies it to something bigger and more familiar, like a cat, to highlight <a href="https://www.earth.com/news/quantum-entanglement-a-simple-way-to-grasp-this-impossible-concept-carl-kocher/" target="_blank" rel="noreferrer noopener">how bizarre quantum theory really is</a>. </p>



<p>By imagining the cat being both alive and dead, we can better understand the tricky parts of <a href="https://www.earth.com/news/quantum-entanglement-speed-measured-for-first-time-too-fast-to-comprehend/" target="_blank" rel="noreferrer noopener">quantum mechanics</a> and why simply observing something can change its state. </p>



<p>This example is still a key part of conversations about what reality is really like and the mysterious behaviors of the quantum world.</p>



<h2 class="wp-block-heading" id="h-maintaining-cat-state-stability">Maintaining cat state stability</h2>



<p>Leading the charge is Zheng-Tian Lu, a researcher at the <a href="https://en.ustc.edu.cn/" target="_blank" rel="noreferrer noopener">University of Science and Technology</a> of China. </p>



<p>His team's record-shattering achievement completely disrupts our understanding of quantum mechanics and opens up exciting possibilities for future technologies.</p>



<p>Creating such states isn't new, but keeping them stable has been a monumental challenge. </p>



<p>Usually, these superpositions collapse into a single state almost as soon as they form. Lu and his colleagues decided to tackle this problem head-on.</p>



<h2 class="wp-block-heading" id="h-how-did-they-pull-this-off">How did they pull this off?</h2>



<p>They took about 10,000 atoms of ytterbium -- a <a href="https://www.earth.com/news/u-s-coal-ash-holds-tons-of-rare-earth-elements-worth-8-4-billion/" target="_blank" rel="noreferrer noopener">rare earth element</a> -- and cooled them down to a few thousandths of a degree above absolute zero. </p>



<p>Then, they used lasers to trap the atoms with electromagnetic forces. </p>



<p>Under these ultra-cold conditions, they could control the atoms' quantum states with incredible precision. Each atom was placed into a superposition of two states with very different spins.</p>



<p>Now, you'd expect environmental disturbances to ruin the party pretty quickly, causing the atoms to settle into a single spin state in milliseconds or seconds. But here's where the magic happens. </p>



<p>The researchers fine-tuned their lasers just right, allowing the cat states to last an unprecedented 1,400 seconds -- that's 23 minutes, or about the time it takes to watch your favorite sitcom without commercials.</p>



<p>Barry Sanders from the <a href="https://www.ucalgary.ca/" target="_blank" rel="noreferrer noopener">University of Calgary</a> was impressed by the feat. He told <em>New Scientist</em>, “It's a big deal because they're making this beautiful cat state in an atomic system and it's stable.”</p>



<h2 class="wp-block-heading" id="h-why-quantum-cat-states-matter">Why quantum cat states matter</h2>



<p>Why should you care about this? For starters, these long-lasting cat states are incredibly sensitive to their environment. </p>



<p>Think of them like ultra-sensitive probes that can detect the slightest changes around them. </p>



<p>Sanders explained, “A probe gets jiggled and pushed and nudged and prodded, and then by seeing what happens, you learn about the things that interact with it.”</p>



<p>The researchers showed that their cat state's sensitivity for measuring magnetic fields is already nearing the fundamental limits set by <a href="https://www.earth.com/news/quantum-impossibility-made-possible-using-exotic-mathematics/" target="_blank" rel="noreferrer noopener">quantum mechanics</a>. </p>



<p>Because it sticks around for so long, the cat state isn't just a one-trick pony; it can gather data over extended periods, capturing both quick blips and slow changes.</p>



<h2 class="wp-block-heading" id="h-real-world-applications">Real world applications</h2>



<p>This could have big implications for studying subtle magnetic forces or even uncovering exotic effects in fundamental physics. </p>



<p>Imagine being able to detect minute changes in <a href="https://www.earth.com/news/plasma-can-bend-magnetic-fields-into-unique-shapes/" target="_blank" rel="noreferrer noopener">magnetic fields</a> that were previously beyond our reach.</p>



<p>Looking to the future, these cat states might find a home in quantum information processing. </p>



<p>They could act as super-stable memory units, <a href="https://www.earth.com/news/transmitting-quantum-information-using-electron-spin/" target="_blank" rel="noreferrer noopener">storing extra information</a> and helping devices like quantum computers correct errors on the fly.</p>



<p>It's not every day that we see such a leap in quantum stability. This achievement <a href="https://www.earth.com/news/impossibility-paradox-calculating-incalculable-quantum-realm-particles/" target="_blank" rel="noreferrer noopener">pushes the boundaries of what's possible</a> and brings us closer to practical quantum technologies. It's like unlocking a new level in a game we thought we had figured out.</p>



<h2 class="wp-block-heading" id="h-what-happens-next">What happens next?</h2>



<p>To sum it all up, this achievement by Zheng-Tian Lu and his team is a game-changer in quantum physics. </p>



<p>By keeping a quantum "cat state" alive for 23 minutes, they've shattered previous records and opened up a <a href="https://www.earth.com/news/how-quantum-revolution-will-impact-all-aspects-of-society/" target="_blank" rel="noreferrer noopener">whole new world of possibilities</a>. </p>



<p>Their clever use of ytterbium atoms and precise laser tuning demonstrates incredible control over quantum states.</p>



<p>It's exciting to think about where this could lead us. From super-sensitive probes that can detect the tiniest magnetic forces to more stable <a href="https://www.earth.com/news/code-breaking-encryption-quantum-computers-takes-big-step-closer-to-becoming-reality/" target="_blank" rel="noreferrer noopener">quantum computers</a> that can fix their own errors, the implications are huge. </p>



<p>While we might not see immediate changes in our daily lives, this kind of research pushes the boundaries of what's possible and gets us one step closer to the next big leap in technology</p>



<p>The full study was published in the journal <em><a href="https://arxiv.org/abs/2410.09331v1" target="_blank" rel="noreferrer noopener">arXiv</a></em>.</p>



<p>-----</p>



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Schrödingers cat survives in quantum superposition for a record-shattering 23 minutes

Quantum states, such as quantum superposition "cat states," are notorious...

<p>The mystery of what dinosaurs ate around 200 million years ago, as well as the role they played in their ecosystems, is one step closer to being uncovered.</p>



<p>And guess what has been aiding in solving this mystery? It's none other than the fossilized feces of these gigantic creatures.</p>



<p>The interesting findings have emerged as part of an international research endeavor exploring the hidden <a href="https://www.earth.com/news/early-dinosaurs-benefited-from-changes-in-global-climate/" target="_blank" rel="noreferrer noopener">ancient world</a>.</p>



<h2 class="wp-block-heading" id="h-piecing-together-the-dinosaur-diet">Piecing together the dinosaur diet</h2>



<p>The research team included experts from <a href="https://www.uu.se/" target="_blank" rel="noreferrer noopener">Uppsala University</a>, who collaborated with colleagues in Norway, Poland, and Hungary.</p>



<p>Their approach was simple yet extraordinary. The researchers examined hundreds of samples using advanced synchrotron imaging to visualize the internal components of the fossilized feces - or coprolites - in great detail.&nbsp;</p>



<p>“Piecing together ‘who ate whom’ in the past is true detective work,” said study lead author Martin Qvarnström. </p>



<p>“Being able to examine what animals ate and how they interacted with their environment helps us understand what enabled dinosaurs to be so successful.”</p>



<h2 class="wp-block-heading" id="h-a-gold-mine-of-fossil-treasures">A gold mine of fossil treasures</h2>



<p>An integral part of the research was its focus on the Polish Basin - a region from the Late <a href="https://www.earth.com/news/benggwigwishingasuchus-eremicarminis-new-triassic-crocodile-species/" target="_blank" rel="noreferrer noopener">Triassic</a> era that had been previously underexplored.</p>



<p>The study of this region led to revelations about dinosaur diets as well as insights into the ecosystem's structure during the Triassic period.</p>



<p>The experts further strengthened the findings by using additional fossils, climate data, and other evidence such as bones and footprints.</p>



<p>“Our research is innovative because we have chosen to understand the biology of early dinosaurs based on their dietary preferences. There were many surprising discoveries along the way.” said Grzegorz Niedźwiedzki, one of the contributing authors.</p>



<h2 class="wp-block-heading" id="h-the-dinosaur-s-dining-menu">The dinosaur's dining menu</h2>



<p>The coprolites revealed an unexpected variety of diet for these dinosaurs that included fish, insects, large animals, plants, and even charcoal.</p>



<p>One species, the long-necked <a href="https://www.earth.com/news/scientists-learn-how-super-giant-sauropods-grew-to-be-so-massive/" target="_blank" rel="noreferrer noopener">sauropods</a>, might have ingested charcoal to detoxify their stomach contents - as ferns can be toxic to herbivores.</p>



<h2 class="wp-block-heading" id="h-new-perspectives-on-dinosaur-evolution">New perspectives on dinosaur evolution</h2>



<p>This research addresses a significant gap in our understanding of the first 30 million years of <a href="https://www.earth.com/news/new-daspletosaurus-sheds-light-on-dinosaur-evolution/" target="_blank" rel="noreferrer noopener">dinosaur evolution</a> during the Late Triassic period. </p>



<p>Though we have ample knowledge about their life and extinction, the processes that led to their rise remain a mystery. </p>



<p>The findings from this research could enlighten us about prehistoric ecosystems and evolutionary processes in a manner never seen before.</p>



<p>However, the most important take away from this research extends beyond the realm of dinosaurs.  </p>



<p>"Unfortunately, climate change and <a href="https://www.earth.com/news/scientists-predict-how-and-when-humans-and-mammals-will-face-extinction/" target="_blank" rel="noreferrer noopener">mass extinctions</a> are not just a thing of the past," noted Qvarnström. "By studying past ecosystems, we gain a better understanding of how life adapts and thrives under changing environmental conditions."</p>



<p>Thus, the dinosaur's recipe for survival reveals the importance of adaptability in the face of environmental changes. </p>



<p>“The way to avoid extinction is to eat a lot of plants, which is exactly what the early herbivorous dinosaurs did," said Niedzwiedzki. "The reason for their evolutionary success is a true love of green and fresh plant shoots.”</p>



<h2 class="wp-block-heading" id="h-insights-into-ecosystem-interactions">Insights into ecosystem interactions</h2>



<p>The findings from this study go beyond reconstructing what dinosaurs ate - they provide a glimpse into the intricate web of interactions within ancient ecosystems.</p>



<p>Fossilized feces not only reveal dietary habits but also hint at the relationships between species, such as predator-prey dynamics, competition for resources, and the role of plants in shaping these early environments. </p>



<p>For instance, the discovery of charcoal in some dinosaur coprolites suggests that these creatures lived in regions prone to wildfires, and their diets likely adapted to such challenges.</p>



<h2 class="wp-block-heading" id="h-ecological-role-of-dinosaurs">Ecological role of dinosaurs </h2>



<p>Moreover, the research highlights how dinosaurs may have influenced their surroundings. Large herbivores, for example, played a key role in shaping vegetation through grazing, potentially altering plant diversity and distribution.</p>



<p>Such insights provide a deeper understanding of how dinosaurs contributed to maintaining the balance within their ecosystems, mirroring the vital role large animals play in modern habitats.</p>



<p>This broader perspective not only enriches our knowledge of the Triassic period but also highlights the importance of studying ancient ecosystems to inform current conservation strategies. </p>



<p>The resilience and adaptability exhibited by these prehistoric creatures may offer lessons for preserving biodiversity in the face of environmental change.</p>



<p>The full study was published in the journal <em><a href="https://www.nature.com/articles/s41586-024-08265-4" target="_blank" rel="noreferrer noopener">Nature</a></em>.</p>



<p>-----</p>



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Fossilized poop reveals the diet of dinosaurs 200 million years ago

The mystery of what dinosaurs ate around 200 million years...

<p>A breakthrough clinical trial has revealed that an injection given during asthma and COPD (chronic obstructive pulmonary disease) flare-ups is significantly more effective than the traditional treatment of steroid tablets.&nbsp;</p>



<p>According to findings published in <a href="https://www.thelancet.com/journals/lanres/article/PIIS2213-2600(24)00299-6/fulltext" target="_blank" rel="noreferrer noopener"><em>The Lancet Respiratory Medicine</em></a>, the injection reduces the need for further treatment by 30%, offering a potential “game-changing” solution for millions worldwide.</p>



<p><a href="https://www.earth.com/news/nearly-one-third-of-asthma-cases-linked-to-air-pollution/">Asthma</a> and COPD flare-ups, known as exacerbations, can be life-threatening. In the UK alone, four people with asthma and 85 with COPD tragically lose their lives each day.&nbsp;</p>



<p>These conditions are not only deadly but also widespread, with someone in the UK experiencing an asthma attack every 10 seconds. Combined, asthma and COPD cost the NHS £5.9 billion annually.</p>



<h2 class="wp-block-heading" id="h-targeted-approach-to-asthma-treatment-nbsp">Targeted approach to asthma treatment&nbsp;</h2>



<p>The injection specifically targets “eosinophilic exacerbations,” which account for up to 30% of COPD flare-ups and nearly 50% of asthma attacks.&nbsp;</p>



<p>These exacerbations result from inflammation caused by elevated levels of eosinophils, a type of white blood cell, leading to symptoms such as wheezing, coughing, and chest tightness.</p>



<p>Historically, the standard treatment for such flare-ups has been steroids like prednisolone, which reduce lung inflammation. However, these drugs come with significant side effects, including an increased risk of <a href="https://www.earth.com/news/exercise-can-counteract-the-genetic-risk-for-diabetes/" target="_blank" rel="noreferrer noopener">diabetes</a> and osteoporosis.&nbsp;</p>



<p>Furthermore, many patients do not respond adequately to steroids, leading to repeated hospitalizations or, in severe cases, death within 90 days of treatment.</p>



<h2 class="wp-block-heading" id="h-testing-the-new-asthma-treatment-nbsp">Testing the new asthma treatment&nbsp;</h2>



<p>The ABRA trial, led by researchers from <a href="https://www.kcl.ac.uk/" target="_blank" rel="noreferrer noopener">King's College London</a>, tested the efficacy of a <a href="https://www.earth.com/news/experts-have-found-powerful-antibodies-that-neutralize-all-covid-variants/" target="_blank" rel="noreferrer noopener">monoclonal antibody</a> called benralizumab, already approved for managing severe asthma.&nbsp;</p>



<p>The drug targets eosinophils, reducing lung inflammation. For the trial, the drug was repurposed as a one-time injection administered during exacerbations.</p>



<p>The multi-center trial, conducted at <a href="https://www.ouh.nhs.uk/" target="_blank" rel="noreferrer noopener">Oxford University Hospitals NHS Foundation Trust</a> and <a href="https://www.guysandstthomas.nhs.uk/" target="_blank" rel="noreferrer noopener">Guy's and St Thomas' NHS Foundation Trust</a>, randomized participants into three groups.</p>



<p>One group received the benralizumab injection with placebo tablets, while another received standard steroid treatment (prednisolone) with a placebo injection. The third group received both the injection and standard care.</p>



<p>As a double-blind, placebo-controlled study, neither the participants nor the researchers knew which treatment was being administered.</p>



<h2 class="wp-block-heading" id="h-game-changing-treatment-for-people-with-asthma-nbsp">Game-changing treatment for people with asthma&nbsp;</h2>



<p>The results were striking. After 28 days, participants in the benralizumab group showed significant improvements in respiratory symptoms such as coughing, wheezing, and breathlessness compared to those receiving steroids.&nbsp;</p>



<p>By the 90-day mark, treatment failure rates were four times lower in the benralizumab group than in the steroid group.</p>



<p>Not only did the injection reduce the need for doctor visits or hospitalizations, but it also improved patients' overall quality of life.</p>



<p>“This could be a game-changer for people with asthma and COPD,” said Professor Mona Bafadhel, lead investigator of the trial.&nbsp;</p>



<p>“Treatment for asthma and COPD exacerbations has not changed in 50 years despite causing 3.8 million deaths worldwide a year combined. The big advance in the ABRA study is the finding that targeted therapy works in asthma and COPD attacks.”</p>



<h2 class="wp-block-heading" id="h-a-safe-and-versatile-treatment">A safe and versatile treatment</h2>



<p>The study demonstrated that benralizumab is safe, with no significant side effects compared to past studies of the drug. </p>



<p>While healthcare professionals administered the injections during the trial, the drug could potentially be delivered at home, in GP practices, or in emergency departments in the future.</p>



<p>Professor Bafadhel emphasized the importance of personalized treatment: “Instead of giving everyone the same treatment, we found targeting the highest risk patients with very targeted treatment, with the right level of inflammation, was much better than guessing what treatment they needed.”</p>



<h2 class="wp-block-heading" id="h-addressing-a-critical-need-in-lung-health">Addressing a critical need in lung health</h2>



<p>The findings underscore a critical gap in research and treatment for <a href="https://www.earth.com/news/viruses-can-hide-in-lung-cells-and-cause-chronic-disease/" target="_blank" rel="noreferrer noopener">lung</a> conditions. Dr. Samantha Walker, Director of Research and Innovation at <a href="https://www.asthmaandlung.org.uk/" target="_blank" rel="noreferrer noopener">Asthma + Lung UK</a>, celebrated the breakthrough but highlighted the long delay in innovation.&nbsp;</p>



<p>“It's appalling that this is the first new treatment for those suffering from asthma and COPD attacks in 50 years, indicating how desperately underfunded lung health research is.”</p>



<p>“Every four minutes in the UK, someone dies from a lung condition. Thousands more live with the terror of struggling to breathe every day,” she added.</p>



<h2 class="wp-block-heading" id="h-the-future-of-asthma-treatment">The future of asthma treatment</h2>



<p>The ABRA trial's success highlights the importance of collaboration between universities and healthcare systems.&nbsp;</p>



<p>“The ABRA trial was only possible with collaboration between the NHS and universities and shows how this close relationship can innovate health care and improve people's lives,” said lead author Sanjay Ramakrishnan, a clinical research fellow at the <a href="https://www.uwa.edu.au/" target="_blank" rel="noreferrer noopener">University of Western Australia</a> and the <a href="https://www.ox.ac.uk/" target="_blank" rel="noreferrer noopener">University of Oxford</a>.</p>



<p>As researchers continue to explore benralizumab's potential, the hope is that it will transform how asthma and COPD exacerbations are managed globally.&nbsp;</p>



<p>“We hope these pivotal studies will change how asthma and COPD exacerbations are treated for the future, ultimately improving the health for over a billion people living with asthma and COPD across the world,” Bafadhel concluded.</p>



<p>-----</p>



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First new asthma treatment in 50 years offers hope for millions

A breakthrough clinical trial has revealed that an injection given...

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<span style="font-weight: 400;">Studying organisms in the ocean&#8217;s &#8220;twilight zone&#8221; Today’s </span><b>Video of the Day</b><span style="font-weight: 400;"> from </span><a href="https://www.nasa.gov/goddard"><span style="font-weight: 400;">NASA Goddard</span></a><span style="font-weight: 400;"> describes the Export Processes in the Ocean from Remote Sensing (EXPORTS) oceanographic campaign, which was just launched in the northeastern Pacific Ocean.</span></p>
<p><span style="font-weight: 400;">Over 100 scientists and crew from nearly 30 research institutions will use two research vessels, a range of underwater robotic platforms, and satellite imagery to study microscopic algae, or phytoplankton, in a region of deep ocean off the coast of Seattle that is referred to as the “twilight zone.”</span></p>
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<p><i><span style="font-weight: 400;">By </span></i><a href="http://csexton@earth.com"><i><span style="font-weight: 400;">Chrissy Sexton</span></i></a><i><span style="font-weight: 400;">, </span></i><a href="https://www.earth.com/staff/"><i><span style="font-weight: 400;">Earth.com</span></i></a><i><span style="font-weight: 400;"> Staff Writer</span></i></p>
<p><i><span style="font-weight: 400;">Video Credit: NASA Goddard</span></i></p>

Studying organisms in the ocean's "twilight zone"