News
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PlantsNarrowed plumbing lets flower survive summer cold snaps
Ice barriers help alpine plants save their flowers during summer cold snaps.
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GeneticsEndurance training leaves no memory in muscles
Unlike strength training, endurance workouts left no genetic trace months later, calling into question idea of a general muscle memory.
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EarthNatural ally against global warming not as strong as thought
Soils may take in far less carbon by the end of the century than previously predicted, exacerbating climate change.
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GeneticsSingle exodus from Africa gave rise to today’s non-Africans
Genetics and climate studies differ on when modern humans left Africa.
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EcosystemsShrinking sea ice threatens natural highways for caribou, plants
As Arctic sea ice declines, Peary caribou or plants risk getting stranded when their frozen highways thaw.
By Susan Milius -
Health & MedicineActivity trackers fall short in weight-loss trial
In a two-year study, wearable activity monitors didn’t help young adults lose more weight.
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EarthPrimordial continental crust re‑created in lab
Compressing rocks from an ocean plateau at high temperatures and pressures re-creates the formation of Earth’s first continental crust.
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AstronomyVanished star may be first known failed supernova
A star that vanished in another galaxy might be the first confirmed case of a failed supernova — and the birth of a black hole.
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Quantum PhysicsTaming photons, electrons paves way for quantum internet
Scientists are gearing up to create supersecure global quantum networks.
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NeuroscienceBrain’s physical structure may help guide its wiring
The brain’s stiffness helps dictate how nerve cells grow, a study suggests.
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Health & MedicineMixing Pokémon Go and driving isn’t safe
Pokémon Go alters reality to driver’s detriment, a new study finds.
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ArchaeologyPainting claimed to be among Australia’s oldest known rock art
A painting on a cave’s ceiling may be one of Australia’s earliest examples of rock art, according to researchers who used an ancient wasps’ nest to date the art.
By Bruce Bower