News
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ChemistryCaffeine’s buzz attracts bees to flowers
Nectar of some blooms carries the drug, which improves bee memory.
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LifeAlga borrows genes to beat the heat, acid and toxic metals
Such genetic theft from bacteria and archaea is unusual among eukaryotes.
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LifeMice get brain boost from transplanted human tissue
An experimental transplant of what have long been considered just support cells shows they may play a role in memory and learning.
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SpaceNo vacancy around stars
The Milky Way’s planets pack tightly around their stars, according to simulations using data from the Kepler space telescope.
By Andrew Grant -
PhysicsVortex gets tied in knots
Physicists use 3-D printing and tiny bubbles to capture twisted-up water.
By Andrew Grant -
Health & MedicineImmune cells chow down on living brain
Microglia prune developing rat and monkey brains by eating neural stem cells.
By Meghan Rosen -
LifeCamel ancestors lived in the Arctic
Fossils on Ellesmere Island suggest famous desert dweller got its start in cold regions.
By Erin Wayman -
Health & MedicineBaby may be cured of HIV
Only viral traces remain after prompt treatment of newborn, suggesting no working virus is left in the girl’s body.
By Nathan Seppa -
Health & MedicineNews in Brief: HIV may increase heart attack risk
A large study of veterans shows connection between HIV and heart attack in men.
By Nathan Seppa -
AnimalsNative pollinators boost crop yields worldwide
Farms with crops from coffee to mangoes don’t get the best yields if they rely solely on honeybees.
By Susan Milius -
LifeSperm swim against the current
Human and mouse sperm both follow upstream currents to the egg.
By Meghan Rosen -
LifeImpact craters may have been a toasty home for early life
The heat generated during a cosmic crash could have nurtured ancient organisms.
By Erin Wayman