Uncategorized
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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 -
ChemistryMissing link in taste chain identified
Taste-cell protein sends message to brain that tongue has detected sweet, bitter or umami flavor.
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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 -
Health & MedicineFish oil component boosts newborn health
Pregnant women who took an omega-3 fatty acid supplement had bigger babies.
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 -
SpaceRadiation ring around Earth mysteriously appears, then dissipates
Space probes detect temporary transition from two radiation belts to three, possibly in response to solar activity.