News
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GeneticsAncient DNA suggests people settled South America in at least 3 waves
Genetic studies of ancient remains are filling in the picture of who the earliest Americans were and how they spread through the Americas long ago.
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Planetary ScienceHints of Oort clouds around other stars may lurk in the universe’s first light
Sifting through the universe’s early light could reveal planetary graveyards orbiting other stars.
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LifeHow a life-threatening allergic reaction can happen so fast
Cells that act as sentries facilitate quick communication between allergens and anaphylaxis-triggering immune cells, a study in mice finds.
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ChemistryThese fragile, futuristic batteries run longer with a little oil
A redesign for batteries that use aluminum and oxygen could help these inexpensive, lightweight power cells last longer.
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ArchaeologyLike Europe, Borneo hosted Stone Age cave artists
Rock art may have spread from Borneo across Southeast Asia starting 40,000 years ago or more.
By Bruce Bower -
NeuroscienceLoneliness is bad for brains
Social isolation shrinks nerve cells in the brains of mice, a new study shows.
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ComputingVirtual avatars learned cartwheels and other stunts from videos of people
A new computer system that lets animated characters learn acrobatic skills from videos could be a cheaper alternative to traditional motion capture.
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LifeA mash-up of yeast and E. coli shows how mitochondria might have evolved
An engineered partnership between yeast and E. coli suggests one way mitochondria may have evolved.
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PhysicsA new measurement bolsters the case for a (slightly) smaller proton
The PRad physics experiment has come up with a result favoring a punier proton.
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LifeEating less protein may help curb gut bacteria’s growth
A new study in mice and 30 mammal species hints at what controls the types and amounts of gut microbes, which can contribute to health and disease.
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Planetary ScienceDawn, the first spacecraft to orbit 2 alien worlds, has gone silent
The Dawn probe, which hopped between two objects in the asteroid belt during its seven-year mission, ran out of fuel and stopped calling home.
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PhysicsVanadium dioxide’s weird phase transition just got weirder
When shifting from one crystalline structure to another, the atoms inside vanadium dioxide bumble around a lot more than expected.