Sascha is a U.K.-based staff writer at Live Science. She holds a bachelor’s degree in biology from the University of Southampton in England and a master’s degree in science communication from Imperial College London. Her work has appeared in The Guardian and the health website Zoe.
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Planet Earth Super El Niño looms, an Acropolis fragment resurfaces, a promising cure for Alzheimer's appears, and a hexagonal diamond is made'We got evidence of boars, deer, bears, aurochs': Ancient DNA reveals sunken realm Doggerland had habitable forests during the last ice ageChina has planted so many trees around the Taklamakan Desert that it's turned this 'biological void' into a carbon sinkEnormous freshwater reservoir discovered off the East Coast may be 20,000 years old and big enough to supply NYC for 800 years'Maybe they're waiting for something that only happens thousands of years later': The hidden life 'sleeping' deep beneath Earth for millions of yearsPlanting trees in the sea could act as a huge carbon sink and save millions of dollars in storm damage every year. What is stopping us from doing it?Unlock instant access to exclusive member features.Receive email from us on behalf of our trusted partners or sponsorsSign up for the latest discoveries, groundbreaking research and fascinating breakthroughs that impact you and the wider world direct to your inbox.Feed your curiosity with an exclusive mystery every week, solved with science and delivered direct to your inbox before it's seen anywhere else.Sign up to our free science & technology newsletter for your weekly fix of fascinating articles, quick quizzes, amazing images, and moreSign up to our monthly entertainment newsletter to keep up with all our coverage of the latest sci-fi and space movies, tv shows, games and books.Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter and explore the universe with us!Lençóis Maranhenses is a national park on Brazil's northeast coast that is famous for its white sand dunes peppered with thousands of temporary, crystal-clear lagoons. The lagoons form every year during the wet season, between January and June, when rainwater collects in natural basins between the dunes. A compact, impermeable sediment layer prevents the water from draining, thereby creating freshwater pools that vary in shape, size, depth and color, according toSand dunes cover about two-thirds of Lençóis Maranhenses, which spans 580 square miles within a transition area between the Brazilian Amazon, the Cerrado ecoregion and the Caatinga ecoregion. The Cerrado features tropical savannas, wetlands and abundant biodiversity, and it's. The Caatinga, meanwhile, is a semiarid landscape covered in dry forests with thorny shrubs and stunted trees. The name Caatinga comes from the term"ka'atinga," whichSpotted Lake: Canada's soda lake with colorful brine pools that are smelly and slimy 'like the white of an egg'Lençóis Maranhenses does not belong to any of those ecoregions. Instead, it forms its own unique landscape that, in some places, looks like a desert but isn't one. The remaining third of Lençóis Maranhenses is home to mangrove swamps and lush vegetation. Rare and endangered species live these ecosystems, including the neotropical otter of coastline, with a dry plain separating the beach from the sand dunes. Sand is dumped ashore by the tides and then eroded by winds and transported across the plain to the dunes. This action shapes the dunes into huge crescents, also known as barchans, that grow taller the farther inland they are, because the farthest dunes from the beach are those that have been around the longest and accumulated the most sand via wind deposition. The dunes that hug the plain are up to 3.3 feet high, while those farthest inland can measure up to 100 feet tall, according to UNESCO.Spotted Lake: Canada's soda lake with colorful brine pools that are smelly and slimy 'like the white of an egg' Lençóis Maranhenses is surrounded by a large buffer zone to protect it from human activities. The best time to visit the national park is between June and September, when the lagoons are full. Lagoa da Gaivota, Lagoa Azul and Lagoa Bonita are some of the largest lagoons in the national park.Get the world’s most fascinating discoveries delivered straight to your inbox.Sascha is a U.K.-based staff writer at Live Science. She holds a bachelor’s degree in biology from the University of Southampton in England and a master’s degree in science communication from Imperial College London. Her work has appeared in The Guardian and the health website Zoe. Besides writing, she enjoys playing tennis, bread-making and browsing second-hand shops for hidden gems.Planet EarthDrought paradox study reveals plants around Colorado River turn to groundwater when it gets too hot and dry, reducing flow into the already strained basin'We got evidence of boars, deer, bears, aurochs': Ancient DNA reveals sunken realm Doggerland had habitable forests during the last ice ageRare star spotted in its original galaxy could answer a key question about the ingredients of life: Space photo of the weekHubble and Euclid capture the final act of a dying star — and it's glorious: Space photo of the week
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