News
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PaleontologyLiving fast may have helped mammals like ‘ManBearPig’ dominate
Staying in the womb for a while but being born ready to rock may have helped post-dinosaur mammals take over the planet.
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AnthropologyThe oldest known surgical amputation occurred 31,000 years ago
A young adult on the island of Borneo survived a lower left leg removal thanks to medically savvy rainforest surgeons.
By Bruce Bower -
PlantsThe worldwide water-lifting power of plants is enormous
The energy used per year by the world’s plants to lift sap rivals the amount of energy generated by all hydroelectric dams, a new study suggests.
By Sid Perkins -
ArchaeologyIndigenous Americans ruled democratically long before the U.S. did
Oklahoma’s Muscogee people, among others, promoted rule by the people long before the U.S. Constitution was written.
By Bruce Bower -
Health & MedicineWhat you need to know about the new omicron booster shots
With approval of omicron booster shots, COVID-19 vaccine approval and dosing guidance is moving closer to the way flu shots are handled.
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PhysicsZapping plastic with a laser forged tiny diamonds
The technique could be used to manufacture nanodiamonds for use in quantum devices and other applications.
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EarthIn 2021, a deadly volcano erupted with no warning. Here’s why
Before the Nyiragongo eruption, underground magma was already close to the surface and so didn’t trigger instruments that look for lava movement.
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AstronomyHere’s the James Webb telescope’s first direct image of an exoplanet
Along with spying its first exoplanet, the James Webb telescope got its first direct spectrum of an object orbiting a star in another solar system.
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AnimalsA clever molecular trick extends the lives of these ant queens
Ant queens typically live much longer than their workers by blocking a key part of a molecular pathway implicated in aging, a new study suggests.
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Health & MedicineWho has the highest risk of long COVID? It’s complicated
Long COVID can look different for different people, making it difficult to pinpoint the risk factors behind it.
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LifeAncient ‘demon ducks’ may have been undone by their slow growth
Mihirung birds grew to more than half a ton and took their time getting there. That slow growth may have been a vulnerability when humans got to Australia.
By Jake Buehler -
SpacePhysicists dispute a claim of detecting a black hole’s ‘photon ring’
A thin ring of light around a black hole, which would probe gravity in a new way, has been found, one team claims. Skeptics aren’t convinced.