News
-
Health & MedicineFish oil components may not benefit everyone’s heart
A six-year study finds that omega-3 fatty acids don't lower heart risk in people with diabetes.
By Nathan Seppa -
LifeYou have grandpa’s chromosome tips
Older fathers pass more gene-protecting DNA to their paternal grandkids.
-
PhysicsThe electric flour voltage test
Granular materials give off a zap just before slipping, a finding with potential implications for sensing the starts of silo disasters or earthquakes.
-
LifeInvasive mite worsens honeybee viruses
Once-obscure deformed wing virus swept to prominence in honeybee colonies in Hawaiian islands as invasive pest arrived.
By Susan Milius -
LifeMicrobes flourish under Arctic sea ice
Oceanographic expedition surprised to find photosynthetic microorganisms thriving under frozen surface.
By Devin Powell -
SpaceSome newfound planets are something else
A re-evaluation of the Kepler mission’s data suggests one in three hot giant orbs it discovered is actually another kind of object.
By Nadia Drake -
Health & MedicineReplacing fatty acids may fight MS
Patients are deficient in four key lipids that neutralize immune cells linked to inflammation and nerve damage.
By Nathan Seppa -
Health & MedicineWhy antipsychotics need time to kick in
Insight into how some schizophrenia drugs work may explain why compounds that build up in the brain can take weeks to provide relief.
-
EarthArctic’s wintry blanket can be warming
Forested snowscapes keep northern soils relatively toasty, diminishing how much climate-warming carbon they can sequester from the atmosphere.
By Janet Raloff -
AnimalsHow a mosquito survives a raindrop hit
Lightweight insects can ride a water droplet, as long as they separate from it before hitting the ground.
By Susan Milius -
LifeAncient birds wiped out huge insects
Competition in the air trumped the advantage of extra atmospheric oxygen.
By Devin Powell -
LifeAntiaging protein helps set daily rhythms
Changing levels of sirtuin in the brain alter activity patterns in mice.