Life

Squirrels use parkour tricks when leaping from branch to branch

Parkour enthusiasts need look no further than up in the trees for...

Viruses can kill wasp larvae that grow inside infected caterpillars

When parasitic wasps come calling, some caterpillars have a surprising ally: a...

Newly recognized tricks help elephants suck up huge amounts of water

Whether or not it’s possible to teach an old elephant new tricks,...

Recent

Quasar winds with record energy levels were seen fleeing a distant galaxy

Black holes in the distant universe blow winds with 100 times the energy of all the stars in the Milky Way combined....

4 takeaways from the WHO’s report on the origins of the coronavirus

A new World Health Organization report investigating the origins of the coronavirus has raised more questions than answers for how — and...

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...

Hitchhiking oxpeckers warn endangered rhinos when people are nearby

Red-billed oxpeckers hitching rides on the backs of black rhinos are a common sight in the African bush. The birds are best...

A new artificial eye mimics and may outperform human eyes

Scientists can’t yet rebuild someone with bionic body parts. They don’t have the technology. But a new artificial eye brings cyborgs one...

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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,...

How COVID-19 may trigger dangerous blood clots

Some of COVID-19’s dangerous blood clots may come from the immune system attacking a patient’s body rather than going after the virus,...

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...

Water beetles can live on after being eaten and excreted by a frog

For most insects, the sticky, slingshot ride straight into a frog’s mouth spells the end. But not for one stubborn water beetle.

Black hole plasma jets are shaped like bell-bottoms

Jets of high-energy plasma shooting away from supermassive black holes resemble bell-bottom pants — starting out narrow but ending with a flare....