News
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SpaceCosmic rays traced to centers of star birth
By detecting gamma rays, a new generation of telescopes bolsters theory that supernovas are origin of some cosmic rays
By Ron Cowen -
Health & MedicineHIV self-test proves accurate
Study in an ER shows individuals successfully determined their own HIV status.
By Nathan Seppa -
SpaceThe Drake Equation Turns 50: An interview with Frank Drake
The astronomer shares his name with the equation that quantifies the number of detectable civilizations in the Milky Way.
By Nadia Drake -
Health & MedicineAntibiotic-resistant bacteria strike drug of last resort
Warning signs emerge in the use of an old drug effective against resistant microbes.
By Nathan Seppa -
Health & MedicineYour cholesterol drug might help you weather the flu
Data suggest illness is less likely to be fatal in those taking statins
By Nathan Seppa -
ChemistryAerosols cloud the climate picture
A NASA model incorporates how atmospheric aerosols and greenhouse gases interact, yielding better estimates of the gases' warming and cooling effects.
By Sid Perkins -
Health & MedicineFlu shots for moms-to-be benefit babies
Study of about 4,000 pregnant women shows link between newborn health and whether mom got vaccinated
By Nathan Seppa -
AnimalsScent of alarm identifies male bed bugs
When mistaken for females, the guys release an alarming pheromone.
By Susan Milius -
LifeBirds’ eyes, not beaks, sense magnetic fields
A new study pinpoints migratory songbirds’ magnetic compass in a specific brain region.
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SpaceGamma-ray observations shrink known grain size of spacetime
A new study eliminates some theories of quantum gravity by finding that spacetime isn’t as lumpy as some models had proposed.
By Ron Cowen -
LifeThree dino types may be just three dino ages
Study suggests three dinos placed in separate taxa are actually from one group at different growth stages
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LifeSpiders love sweet smell of blood perfume
For on spider species, feeding on blood-gorged mosquitoes adds charm to a mate
By Susan Milius