News
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HumansUnderwater caves once hosted the Americas’ oldest known ochre mines
Now-submerged chambers in Mexico’s Yucatán Peninsula contain ancient evidence of extensive red ochre removal as early as 12,000 years ago.
By Bruce Bower -
LifeBizarre caecilians may be the only amphibians with venomous bites
Microscope and chemical analyses suggest that, like snakes, caecilians have glands near their teeth that secrete venom.
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Health & Medicine4 reasons not to worry about that ‘new’ swine flu in the news
Researchers identified a pig influenza virus that shares features with one that sparked the 2009 pandemic — that doesn’t mean another one is imminent.
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AnimalsA sparrow song remix took over North America with astonishing speed
A variation on the white-throated sparrow’s song spread 3,300 kilometers in just a few decades.
By Jack J. Lee -
EarthEarth’s annual e-waste could grow to 75 million metric tons by 2030
Unwanted electronic waste is piling up rapidly around the globe, while collection and recycling efforts are failing to keep pace, a new report shows.
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Health & MedicineWhy COVID-19 is both startlingly unique and painfully familiar
As doctors and patients learn more about the wide range of COVID-19 symptoms, the coronavirus is proving both novel and recognizable.
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SpaceA newfound exoplanet may be the exposed core of a gas giant
A planet about 734 light-years away could be a former gas giant that lost its atmosphere or a failed giant that never finished growing.
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Climate4 ways to put the 100-degree Arctic heat record in context
June’s record heat in Siberia is part of a much bigger picture of dramatic climate change in the Arctic.
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Science & SocietyThe U.S. largely wasted time bought by COVID-19 lockdowns. Now what?
As states reopen, most don’t have adequate systems in place to test, trace and isolate new COVID-19 cases, setting the stage for future outbreaks.
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Health & MedicineHere’s what we’ve learned in six months of COVID-19 — and what we still don’t know
Six months into the new coronavirus pandemic, researchers have raced to uncover crucial information about SARS-CoV-2. But much is still unknown.
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LifeHere’s how flying snakes stay aloft
High-speed cameras show that paradise tree snakes keep from tumbling as they glide through the sky by undulating their bodies.
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LifeFish eggs can hatch after being eaten and pooped out by ducks
In the lab, a few carp eggs survived and even hatched after being pooped out by ducks. The finding may help explain how fish reach isolated waterways.