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. The shape can help astrophysicists...

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Newly recognized tricks help elephants suck up huge amounts of water

Whether or not it’s possible to teach an old elephant new tricks, a 34-year-old pachyderm at Zoo Atlanta has recently taught researchers...

Nanoscale nutrients can protect plants from fungal diseases

Chances are, most — if not all — of the produce in your kitchen is threatened by fungal diseases. The threat looms...

Wild donkeys and horses engineer water holes that help other species

Water drives the rhythms of desert life, but animals aren’t always helpless against the whims of weather. In the...

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Drug recently shown to reduce coronavirus death risk could run out, experts warn

This week’s report that dexamethasone, a commonly used corticosteroid, reduces death rates of COVID-19 by up to one-third was greeted with enthusiasm...

COVID-19 kills more men than women. The immune system may be why

With more men than women developing severe illness and dying from COVID-19, sex differences that influence the immune system may offer answers.

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,...
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Beets bleed red but a chemistry tweak can create a blue hue

Beet juice is red. Now chemists turned it blue. It might have potential for consumers like you. Natural colorings...

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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...

‘The Idea of the Brain’ explores the evolution of neuroscience

Neuroscientists love a good metaphor. Through the years, plumbing, telegraph wires and computers have all been enlisted to help explain how the...

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...

A quantum strategy could verify the solutions to unsolvable problems — in theory

Computer scientists’ daydreams have revealed the power of quantum mechanics. Imagine meeting omniscient beings who claim to have the...

U.S. honeybees had the worst winter die-off in more than a decade

U.S. honeybees just weathered an unusually bad winter. About 38 percent of beekeepers’ colonies died between October 1, 2018,...

COVID-19 kills more men than women. The immune system may be why

With more men than women developing severe illness and dying from COVID-19, sex differences that influence the immune system may offer answers.

Wild donkeys and horses engineer water holes that help other species

Water drives the rhythms of desert life, but animals aren’t always helpless against the whims of weather. In the American Southwest, wild donkeys and...