All Stories
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EnvironmentThirdhand smoke poses lingering danger
Harmful cigarette chemicals that linger on surfaces, known as thirdhand smoke, can go on to pollute the air and may harm people’s health.
By Beth Mole -
Planetary ScienceRosetta prepares to let go of its comet lander
To date, everything is a go for scientists to attempt to land a robotic probe on a comet.
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Planetary ScienceComet delivered a showy meteor shower — on Mars
Comet Siding Spring dumped several tons of material into the Martian atmosphere that could have damaged NASA spacecraft.
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NeuroscienceBrain regions linking odors to words pinpointed
Scientists have pinpointed two brain regions involved in linking odors to their names, with implications for why smells are hard to identify.
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Science & SocietyTop 10 science popularizers of all time
Since antiquity, some notable thinkers have served society by translating science into popular form.
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LifeEpic worldwide effort explores all of insect history
A whopper of a genetic analysis fits all living orders of insects into one genealogical evolutionary tree.
By Susan Milius -
AnimalsJust enough fat is good for an elephant seal
Fat affects the buoyancy of marine mammals. As elephant seals get fatter, they can spend less energy swimming and more time foraging, a new study finds.
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GeneticsDNA from 37,000-year-old human hints at early European history
DNA from a roughly 37,000-year-old Homo sapiens skeleton supports recent findings about when ancient humans and Neandertals interbred.
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NeuroscienceFor a friendlier zebra finch, just add stress
Adding stress hormones to the diet of developing zebra finches produced birds that were social butterflies.
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LifeNorovirus grown in lab, with help from bacteria
Norovirus, famous for sickening cruise ship passengers, has finally been grown in human cells in a lab, offering scientists a chance to test new therapies.
By Meghan Rosen -
Health & MedicineUncommon malaria spreading in Malaysia
Malaria parasite’s jump from monkeys to people seems aided by deforestation in Malaysia.
By Nathan Seppa -
AnimalsBats jam each other in echolocation battles for food
By blaring a special call at just the right instant, Mexican free-tailed bats can ruin each other’s sonar-guided swoops toward prey.
By Susan Milius