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When snakes fly

Plus: Looking back on 6 months of COVID-19, mines in ancient caves, a viral sparrow remix and more
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 07/05/2020

The U.S. largely wasted time bought by COVID-19 lockdowns. Now what?

We all sacrificed a lot. The U.S. should have prepared more. It didn’t.
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Bizarre 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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Here’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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Underwater 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.
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Why 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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4 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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Fish 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.
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A newfound exoplanet may be the exposed core of a gas giant

A planet about 734 light-years away appears to be missing most of its atmosphere.
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Here’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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A sparrow song remix took over North America with astonishing speed

The rapid spread of the new song is akin to someone moving from Kentucky to Vancouver and everyone in Vancouver suddenly picking up a Kentucky accent.
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