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Stephen Hawking Is Still Afraid of Aliens

Posted by External 3 hours ago General
http://feedproxy.google.com — The famed astrophysicist has repeated his warning about humanity's potential first contact with intelligent aliens. Read More
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Acidity in atmosphere minimized to preindustrial levels

Posted by External 3 hours ago General
https://www.sciencedaily.com — New research shows that human pollution of the atmosphere with acid is now almost back to the level that it was before the pollution started with industrialization in the 1930s. The results come from studies of the Greenland ice sheet. Read More
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Ocean fronts attract ocean wanderers

Posted by External 1 day 3 hours ago General
https://www.sciencedaily.com — Foraging seabirds use oceanic fronts as an efficient means to forage for food, according to an international study that could help safeguard the future of protected species. Read More
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Oxygen levels were key to early animal evolution, strongest evidence now shows

Posted by External 1 day 3 hours ago General
https://www.sciencedaily.com — It has long puzzled scientists why, after 3 billion years of nothing more complex than algae, complex animals suddenly started to appear on Earth. Now, a team of researchers has put forward some of the strongest evidence yet to support the hypothesis that high levels of oxygen in the oceans were crucial for the emergence of skeletal animals 550 million years ago. Read More
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Caspian terns discovered nesting 1,000 miles farther to the north than ever recorded in Alaska

Posted by External 1 day 3 hours ago General
https://www.sciencedaily.com — In the late summer of 2016, a field team monitored Caspian tern chicks through to fledging in Cape Krusenstern National Monument in Alaska. This discovery of Caspian terns breeding above the Arctic Circle in the Chukchi Sea is nearly 1,000 miles farther north than previously recorded – a strikingly large jump in the range of nesting for this (or any) species. Read More
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Resonance in Rainbow Bridge

Posted by External 1 day 3 hours ago General
https://www.sciencedaily.com — Utah's iconic Rainbow Bridge hums with natural and human-made vibrations, according to a new study. The study characterizes the different ways the bridge vibrates and what frequencies and energy sources cause the rock structure to resonate. The vibrations are small, according to a geology and geophysics professor, but the study provides a baseline measure of the bridge's structural integrity and Read More
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Facts About Nickel

Posted by External 2 days ago General
http://feedproxy.google.com — Properties, sources and uses of the element nickel. Read More
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Leprosy Found in California Child: How Doctors Diagnosed It

Posted by External 2 days ago General
http://feedproxy.google.com — Leprosy has been confirmed in one of two California schoolchildren suspected to have the disease, according to CBS Los Angeles. Read More
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Paleo Construction Worker? Ancient Reptile Wore a 'Hard Hat'

Posted by External 2 days ago General
http://feedproxy.google.com — Some 230 million years ago, an alligator-size reptile was crawling around what is now Texas with what looked like a hard hat on its head. That's according to a new analysis of the domed head of the ancient beast, a head that looks eerily like the skull of Read More
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Greenland Is Losing More Ice Than Scientists Thought

Posted by External 2 days ago General
http://feedproxy.google.com — Using new measurements, scientists have discovered that Greenland's ice sheet is losing more mass than previously thought. It's a troubling finding for the future of coastal areas around the world, they say. Read More
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Earth's Atmospheric Oxygen Levels Continue Long Slide

Posted by External 3 days ago General
http://feedproxy.google.com — Atmospheric oxygen levels have declined over the past 1 million years, although not nearly enough to trigger any major problems for life on Earth, a new study finds. Read More
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