Earth

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...

Nanoscale nutrients can protect plants from fungal diseases

Chances are, most — if not all — of the produce in...

‘Tree Story’ explores what tree rings can tell us about the past

Once you look at trees through the eyes of a dendrochronologist, you...

Recent

Why do sea turtles, penguins and sharks sometimes just swim in circles or spirals?

Marine science has its own crop circle mysteries. Sea turtles, sharks, penguins and even whales sometimes just go circular, swimming around and...

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...

Dolphins can learn from peers how to use shells as tools

For some bottlenose dolphins, finding a meal may be about who you know. Dolphins often learn how to hunt...

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...

New telescopes could help spot ‘photon ring’ of the first black hole ever imaged

Faint rings of light surrounding enormous black holes could be spotted with the help of a future generation of telescopes in space.

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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...

Dolphins can learn from peers how to use shells as tools

For some bottlenose dolphins, finding a meal may be about who you know. Dolphins often learn how to hunt...

How will Trump’s COVID-19 treatments work together?

In the four days since revealing he had COVID-19, President Donald Trump has been treated with three experimental drugs to bring the...

Drones find signs of a Native American ‘Great Settlement’ beneath a Kansas pasture

Specially equipped drones flying over a Kansas cattle ranch have detected the buried remnants of a horseshoe-shaped ditch made more than 400...

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...