News
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AnimalsEye-tracking cameras show peahens’ wandering gaze
Data show that female birds are not so riveted by their suitors’ magnificence
By Susan Milius -
LifeRogue genes on X chromosome turn on in testicles
Chunks of rapidly evolving DNA could affect sperm production in males.
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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.
By Bruce Bower -
TechSurgical tool smokes out cancer in seconds
Sniffing for telltale molecules, method analyzes tissue with every cut.
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GeneticsTechnique inactivates Down-causing chromosome
Though far from a cure, the advance could eventually lead to gene therapy that alleviates some symptoms.
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AnimalsFattened livers prep white sharks for extreme migrations
The organ's reserves enable a long journey from waters off California to Hawaii and back, tracking data suggest.
By Susan Milius -
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LifeGenetic test fingers viral, bacterial infections
If made to take less time, test could help doctors treat children's fevers.