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Tiny Oregon Minnow is First Fish Taken off Endangered List

A tiny minnow that lives only in backwaters in Oregon's Willamette Valley is the first fish to be formally removed from Endangered Species Act protection because it is no longer in danger of extinction, officials said Tuesday.

The recovery of the Oregon chub was formally announced by U.S. Fish and Wildlife Service Deputy Regional Director Richard Hannan.

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Study: Nature's 'Medicine Cabinet' Fights Bee Disease

Floral nectar contains a bouquet of natural chemicals that may help fight parasite infection in bumble bees, a study said Wednesday.

The findings throw up clues for helping honey bee colonies battling mysterious but catastrophic decline.

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Close Call: Star Whizzed Past Solar System at Distance of a Light Year

By the standards of outer space, it was the closest call yet recorded: a star that zoomed past our solar system 70,000 years ago at a distance of eight trillion kilometers, or five trillion miles.

An international team of astronomers said Tuesday the dim star probably passed through the solar system's distant cloud of comets, known as the Oort Cloud.

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Millions at Risk from Rapid Sea Rise in Swampy Sundarbans

The tiny hut sculpted out of mud at the edge of the sea is barely large enough for Bokul Mondol and his family to lie down in. The water has taken everything else from them, and one day it almost certainly will take this, too.

Saltwater long ago engulfed the 5 acres where Mondol once grew rice and tended fish ponds, as his ancestors had on Bali Island for some 200 years. His thatch-covered hut, built on public land, is the fifth he has had to build in the last five years as the sea creeps in.

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Fukushima Decommissioning Made 'Significant Progress', Says IAEA

Japan has made "significant progress" in cleaning up the crippled Fukushima nuclear plant, a U.N. review mission said Tuesday as it again advised the country to consider discharging treated water into the sea.

"Japan has made significant progress since our previous missions" in 2013, said Juan Carlos Lentijo, who led a review mission from the International Atomic Energy Agency.

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Scientists Say Climate Change Hampering World Food Production

The acceleration climate change and its impact on agricultural production means that profound societal changes will be needed in coming decades to feed the world's growing population, researchers at an annual science conference said.

According to scientists, food production will have to be doubled over the next 35 years to feed a global population of nine billion people in 2050, compared with seven billion today.

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'Cloud' over Mars Leaves Scientists Baffled

Amateur astronomers have spotted two strange, cloud-like plumes high over Mars, deepening the mystery of what constitutes the Red Planet's atmosphere, a study said Monday.

The phenomenon was observed on March 12, 2012 over the "terminator", the boundary between day and night on Mars.

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Scientists Sound Storm Warning on African Climate Change

On a typical February day in west Africa, Cape Verdeans are taking time to cool down as the island nation is buffeted by a rare unseasonal downpour.

For the scientists gathered in the archipelago's capital Praia, however, the rain is a worrying portent of the changing climate to which underdeveloped Africa is becoming increasingly vulnerable.

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Scuba Divers Lead Charge against Invasive Lionfish

Clad in a gray hooded wetsuit, Eric Billips straps on his scuba tank, grabs a pole spear and nods at his dive buddy as they step feet-first off the boat and disappear with a splash into sparkling blue waters off the Florida Keys.

The lionfish hunt is on.

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Europe Destroys Last Space Truck to ISS

The European Space Agency (ESA) on Sunday said it had destroyed its last supply ship to the International Space Station, bringing a seven-year venture to a successful close.

The last of five robot delivery vessels that ESA pledged for the U.S.-led ISS project, the Georges Lemaitre, burned up in a suicide plunge into Earth's atmosphere, the agency said.

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