News
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CosmologyGold seen in neutron star collision debris
Material ejected in gamma-ray bursts may be a main source of the heavy elements.
By Erin Wayman -
LifeGut microbes get first dibs on heart meds
Some people harbor a strain of bacteria that chews through cardiac medication before it can treat symptoms.
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AstronomyMilky Way’s black hole pulling in gas cloud
Galaxy's maw begins to tear apart and change the velocity of an approaching object.
By Andrew Grant -
LifeMicrobes can draw the line between species
Wasps' gut inhabitants can kill or save crossbreeds.
By Susan Milius -
AnthropologyWar arose recently, anthropologists contend
Infrequent killings among hunter-gatherer groups fit a scenario of a largely peaceful Stone Age, a study concludes.