Climate change made a southwestern U.S. drought one of the worst in 1,200 years

The drought in southwestern North America that lasted from 2000 to 2018 is among the most severe to strike the region in the last 1,200 years, a...

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A tweaked yeast can make ethanol from cornstalks and a harvest’s other leftovers

When corn farmers harvest their crop, they often leave the stalks, leaves and spent cobs to rot in the fields. Now, engineers...

Squirrels use parkour tricks when leaping from branch to branch

Parkour enthusiasts need look no further than up in the trees for inspiration. Squirrels’ aerial acrobatics make the rodents masters of the...

Moral judgments about an activity’s COVID-19 risk can lead people astray

What do you think was riskier during the pre-vaccine days of the pandemic: having your lonely parents over for dinner or going...

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How antibody tests work and could help fight the coronavirus

The United Kingdom has ordered 3.5 million antibody tests, which would show whether someone has been exposed to COVID-19. Such tests, which...

Psilocybin may help cancer patients with depression and anxiety for years

After taking a compound found in magic mushrooms, people with cancer had less anxiety and depression, even years later, a new study...

Viruses can kill wasp larvae that grow inside infected caterpillars

When parasitic wasps come calling, some caterpillars have a surprising ally: a viral infection. Insects called parasitoid wasps lay...
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Is the coronavirus mutating? Yes. But here’s why you don’t need to panic

In novels and movies, infectious pathogens mutate and inevitably become more dangerous. In the blockbuster movie Contagion, for instance, a deadly virus...

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How antibody tests work and could help fight the coronavirus

The United Kingdom has ordered 3.5 million antibody tests, which would show whether someone has been exposed to COVID-19. Such tests, which...

Boosting a liver protein may mimic the brain benefits of exercise

Exercise’s power to boost the brain might require a little help from the liver. A chemical signal from the...

Why COVID-19 is more deadly in people with obesity-even if they’re young

Science's COVID-19 reporting is supported by the Pulitzer Center and the Heising-Simons Foundation. This spring, after days of flulike...

There’s no evidence the coronavirus jumped from pangolins to people

Pangolins can harbor coronaviruses related to the new coronavirus, a study finds. Scientists studied viruses in pangolins (Manis javanica)...

Meet Sophia Upshaw, a volunteer in a coronavirus vaccine trial

Scientists are racing to develop and test vaccines that can protect people from the coronavirus. One particularly swift effort, sponsored by the...

3 ways to use gamification to engage students

Gamification can help students overcome some of the troubles that accompany virtual learning--here's how In the face of the...

A new 3-D map illuminates the ‘little brain’ within the heart

The heart has its own “brain.” Now, scientists have drawn a detailed map of this little brain, called the intracardiac nervous system, in rat hearts.