News
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Planetary ScienceEnceladus’ ocean may not have produced precursor chemicals for life
Building blocks of life have been found on this moon of Saturn. They may come from chemical reactions beyond Enceladus’ possible life-supporting ocean.
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PaleontologyAn ancient reptile’s fossilized skin reveals how it swam like a seal
A reptile fossil is the first of its kind with skin and partially webbed feet, possibly showing how later species like plesiosaurs adapted to water.
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HumansStaying on the keto diet long term could carry health risks
Months on a high-fat keto diet put mice at risk for cardiovascular disease and impaired insulin secretion.
By Meghan Rosen -
Particle PhysicsA primordial black hole may have spewed the highest energy neutrino ever found
The Big Bang may have spawned these theoretical black holes, whose lives are thought to end in a burst of extremely energetic particles.
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AnimalsBats live with some viruses. But others can do them in
Bats can carry some deadly human pathogens without signs of illness. A new survey shows that other viruses can still be bad for bats.
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Health & MedicineA handheld ‘bone printer’ shows promise in animal tests
Demonstrated in rabbits, the 3-D printer might someday print bone grafts directly onto fractures, complete with antibiotics to ease healing.
By Payal Dhar -
AnimalsTug or fetch? Some dogs sort toys by how they are used
Dogs that easily learn the names of toys might also mentally sort them by function, a new example of complex cognitive activity in the canine brain.
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Health & MedicineA new drug shows promise for hard-to-treat high blood pressure
Results from a large trial suggest baxdrostat could provide a new option for people whose blood pressure remains high despite standard treatment.
By Isha Ishtiaq -
Health & MedicineCOVID-19 is still a threat, but getting a vaccine is harder for many people
Vaccination is still important to ward off the worst of the coronavirus. Three experts discuss the concerns with restricting access.
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AnthropologyThe oldest known mummies have been found — in Southeast Asia
Southeast Asian groups mummified bodies over smoky fires before burying them as early as 12,000 years ago, long before Egyptians began making mummies.
By Bruce Bower -
Materials ScienceSalt can turn frozen water into a weak power source
Experiments reveal that when slabs of salty ice are strained, electricity is generated, though practical uses are still a long way off.
By Nikk Ogasa -
EarthRecycled glass could help fend off coastal erosion
Sand made from recycled glass can be mixed with sediment to make a medium for plants to grow in. That can help with coastal restoration projects.
By Jude Coleman