Drugs for high blood pressure don’t appear to make COVID-19 worse

Drugs widely used to treat high blood pressure do not appear to make COVID-19 dangerously worse. Two new studies from China offer the first...

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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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Your dog’s brain doesn’t care about your face

Lots of dog owners love to gaze at their pups’ faces. But that fascination may be a one-way street, at least in...

Fast radio bursts could help solve the mystery of the universe’s expansion

Astronomers have been arguing about the rate of the universe’s expansion for nearly a century. A new independent method to measure...

A multiple sclerosis drug may speed COVID-19 recovery

A drug that boosts the immune system may help some people with COVID-19 fight off infections quickly, at least when taken in...
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Australia’s wildfires have now been linked to climate change

Human-caused climate change made southeastern Australia’s devastating wildfires during 2019–2020 at least 30 percent more likely to occur, researchers report in a...

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Death has become a big business.Elaborate coffins illuminate hidden history of ancient Egypt

Last week, Egypt’s Supreme Council of Antiquities announced a spectacular find. More than 100 elaborately decorated wooden coffins, many containing intact human...

‘It’s the most stressful environment I’ve ever worked in’ — how COVID is affecting Europe’s teachers

With Europe in the throes of a second wave of the coronavirus, teachers are among those bearing the brunt of the crisis...

Your dog’s brain doesn’t care about your face

Lots of dog owners love to gaze at their pups’ faces. But that fascination may be a one-way street, at least in...

Bright yellow spots help some orb weaver spiders lure their next meal

Many orb weaver spiders sport yellowish stripes or spots on their undersides, and for a good reason. That color yellow tempts bees...

Fast radio bursts could help solve the mystery of the universe’s expansion

Astronomers have been arguing about the rate of the universe’s expansion for nearly a century. A new independent method to measure...

The closest black hole to Earth may have been spotted 1,000 light-years away

The closest black hole to the solar system ever spotted may be just 1,000 light-years away. This newfound dark neighbor is at...

This is the oldest known string. It was made by a Neandertal

In a new twist on Neandertals’ Stone Age accomplishments, our close evolutionary relatives wound bark fibers into strings that could have been used to make clothes, rope,...