All Stories
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AnimalsMaking a snake spectacle
Snakes have a thin layer over their eyes filled with blood vessels. A scientist has shown how snakes control those blood vessels to help them see.
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PsychologyMaybe mean girls’ mental games have a purpose
Science is just beginning to tap the wellspring of female competition.
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Health & MedicineExercise seems to limit bad falls in elderly
Regular exercise might limit broken bones due to bad falls in elderly people.
By Nathan Seppa -
LifeMorel mushroom may grow crop of its own
A fungus could be a farmer itself, sowing, cultivating and harvesting bacteria.
By Susan Milius -
Quantum PhysicsElectron makes ultracold atoms move as one
Harnessing the strong particle-gas interaction is early step toward quantum optics applications.
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AnimalsReindeer eyes change color in winter darkness
One part of an Arctic reindeer’s eyes changes color in winter and increases the sensitivity of the animal’s vision.
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CosmologyCandidates for dark matter particles bite the dust
Most sensitive experiment yet determines that earlier findings were just artifacts.
By Andrew Grant -
Health & MedicineEvidence mounts for bat origins of SARS
New viruses in the mammals closely match the human form of the infection.
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Health & MedicineMice lose the blues quickly with experimental drug
Studies in mice point to new, fast-acting antidepressants.
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GeneticsPeople’s genes welcome their microbes
In mice and humans, genetic variants seem to control the bacterial mix on and in bodies.
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AstronomyAn Earth-sized hell circles faraway star
Kepler-78b, an Earth-sized, extremely hot exoplanet made of rock and iron, is the smallest with known diameter and mass.
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Health & MedicineAntibodies show progress against HIV
Proteins suppress disease in monkeys, but don’t cure it.
By Nathan Seppa