Heavy metal may rain from the skies of planet WASP 76b

On one distant world, “heavy metal” could be a weather forecast. Telescope observations indicate that an exoplanet nearly 400 light-years away has iron rain.

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Close relatives of the coronavirus may have been in bats for decades

Viruses from the coronavirus lineage responsible for COVID-19 have been circulating in bats for decades, long before the virus started infecting people...

The physics of solar flares could help scientists predict imminent outbursts

Space weather forecasting is a guessing game. Predictions of outbursts from the sun are typically based on the amount of activity observed...

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...

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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...

The physics of solar flares could help scientists predict imminent outbursts

Space weather forecasting is a guessing game. Predictions of outbursts from the sun are typically based on the amount of activity observed...

Fewer worms live in mud littered with lots of microplastics

Despite growing concerns over tiny bits of plastic filling the world’s waterways, the long-term environmental effects of that debris remain murky. Now...
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DNA from a 5,200-year-old Irish tomb hints at ancient royal incest

A man buried in a huge, roughly 5200-year-old Irish stone tomb was the product of incest, a new study finds.

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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...

Protein from blood of exercising mice rejuvenates brains of ‘couch potato’ mice

It’s well established that exercise can sharpen the mind: People and mice who work out do better on cognitive tests, and elderly...

No, you can’t hear the difference between sick and healthy coughs

An aisle over in the grocery store, someone lets out a nasty cough, and you shudder. “That person sounds really sick,” you...

Are researchers asking the right questions to prevent mass shootings?

Two decades ago, two students opened fire at Colorado’s Columbine High School, killing 12 of their classmates and a teacher before turning...

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...

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...

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...