Antarctic sea ice may be a source of mercury in southern ocean fish and birds

New research has found methylmercury — a potent neurotoxin — in sea ice in the Southern Ocean. Published today in the journal Nature Microbiology, the results are the first to show that sea-ice bacteria can change mercury into methylmercury, a more toxic …
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BERLIN (AP) — Scientists say that one of the last surviving populations of woolly mammoths was likely driven to extinction by lack of drinking water. Mammoths lived on Alaska’s St. Paul Island in the Bering Sea until about 5,600 years ago. They never …
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The second version of the company’s SpaceShipTwo was unveiled in February. The first taxi test of the new spacecraft took place on Monday morning at the Mojave, California, airport. The taxi test evaluated and calibrated navigation and communications …
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