News
- Animals
Oxygen boost aided carnivore evolution in Cambrian explosion
Atmospheric change and rise of predators caused burst in complexity of life.
- Health & Medicine
Full moon may mean less sleep
Slumber waxes and wanes along with lunar rhythm, researchers find with people sleeping in windowless lab.
- Health & Medicine
Gastric bypass surgery causes sugar-burning gut growth in rats
The rapid improvement in symptoms of diabetes, seen in patients before weight loss begins, may be due to changes in part of the intestine.
- Life
A flash of light implants false memories in mice
Researchers alter rodents' recollections by exciting just a few neurons.
- Animals
Eye-tracking cameras show peahens’ wandering gaze
Data show that female birds are not so riveted by their suitors’ magnificence
- Life
Rogue genes on X chromosome turn on in testicles
Chunks of rapidly evolving DNA could affect sperm production in males.
- Cosmology
Gold seen in neutron star collision debris
Material ejected in gamma-ray bursts may be a main source of the heavy elements.
- Life
Gut microbes get first dibs on heart meds
Some people harbor a strain of bacteria that chews through cardiac medication before it can treat symptoms.
- Astronomy
Milky Way’s black hole pulling in gas cloud
Galaxy's maw begins to tear apart and change the velocity of an approaching object.
- Life
Microbes can draw the line between species
Wasps' gut inhabitants can kill or save crossbreeds.
- Anthropology
War arose recently, anthropologists contend
Infrequent killings among hunter-gatherer groups fit a scenario of a largely peaceful Stone Age, a study concludes.
- Tech
Surgical tool smokes out cancer in seconds
Sniffing for telltale molecules, method analyzes tissue with every cut.
