Earth
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Life
1 million species are under threat. Here are 5 ways we speed up extinctions
One million of the world’s plant and animal species are now under threat of extinction, a new report finds.
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Earth
The search for new geologic sources of lithium could power a clean future
Futuristic clean-energy visions of electric vehicles are driving the hunt for lithium.
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Earth
A belly full of wriggling worms makes wood beetles better recyclers
Common beetles that eat rotten logs chew up more wood when filled with a roundworm larvae, releasing nutrients more quickly back to the forest floor.
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Agriculture
Can Silicon Valley entrepreneurs make crickets the next chicken?
Entrepreneurs are bringing automation and data analysis to insect agriculture to build a profitable business that helps feed the planet.
By Susan Milius -
Earth
Dry sand can bubble and swirl like a fluid
Put two types of sand grains together in a chamber, and they can flow like fluids under the right conditions.
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Physics
Here’s what causes the aurora-like glow known as STEVE
Amateur astronomer images and satellite data are revealing what causes the strange atmospheric glow called STEVE.
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Animals
Endangered green sea turtles may be making a comeback in the U.S. Pacific
The numbers of green sea turtles spotted around Hawaii, American Samoa and the Mariana Islands have increased in the last decade.
By Maanvi Singh -
Microbes
A global survey finds that the Arctic Ocean is a hot spot for viruses
Scientists mapped virus diversity around the world’s oceans. That knowledge may be key to making better climate simulations.
By Jeremy Rehm -
Earth
More than a million tiny earthquakes revealed in Southern California
By putting millions of tiny quakes on record, scientists hope to learn more about what triggers the big ones.
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Earth
Warm, dry winds may be straining Antarctica’s Larsen C ice shelf
Wind-induced melting that occurred during the Antarctic autumn may be accelerating the Larsen C ice shelf’s collapse, which could raise sea levels.
By Jeremy Rehm -
Climate
Tiny microplastics travel far on the wind
Airborne bits of plastic that originated in cities ended up in pristine mountains at least 95 kilometers away, a study finds.
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Climate
Climate change made the Arctic greener. Now parts of it are turning brown.
Arctic browning could have far-reaching consequences for people and wildlife, affecting habitat and atmospheric carbon uptake as well as increasing wildfire risk.
By Hannah Hoag