All Stories
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AstronomyAstronomers explain planets’ backward motion
Giant planets in distant orbits may be reversing the direction of their closer-in neighbors.
By Andrew Grant -
AnimalsHow ticks get under your skin
A close look at a tick’s mouthparts reveals enviable burrowing tools.
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LifeSteroids boost muscles for the long haul
Experiments in mice suggest that effects don’t end when doping does.
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ClimateTiny shells hint at hidden ocean warming
Pacific waters are heating up 15 times faster than in earlier eras.
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AnimalsThe daemon cat that never was
Buried in a volume published in 1904 is a description of a new species of cat found in Transcaucasia: Felis daemon, the Black Wild Cat.
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CosmologyDark energy search gets murkier
Supernova measurements muddle scientists’ efforts to explain universe’s accelerating expansion.
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MicrobesPrairie microbes could aid region’s restoration
Surveying the bacteria living in the soils of grassland ecosystems may help revive the habitats.
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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.