Rather than fatigue or boredom, researchers propose that yawning may cool an overheated brain.
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High stress during fetal development could cause premature aging, according to a study in chickens, which published today (November 9) in the Proceedings of the Royal Society B. Chickens exposed to high levels of stress hormones in the egg have over
Researchers probe the genetics of a group of bacteria known to extensively swap DNA sequences with other species—blurring the species boundaries.
Researchers show that the bacterial species in probiotic, fermented dairy products may alter gene expression and metabolism in native gut microbiota.
Researchers find an antibody that may protect against a virus similar to the one featured in the movie Contagion.
Postdocs at two US research institutions are accused of misrepresenting scientific findings.
The largest virus to be sequenced prompts researchers to consider whether giant viruses were once full-fledged living organisms.
The Nobel Assembly announced today that three researchers in the field of immunology will share the 2011 Prize in Physiology or Medicine.
The Nobel Assembly reveals three winners of this year's prize in Physiology of Medicine.
Life on Earth is mind-bogglingly diverse with estimates of the number of existing species in the tens of millions. Over the last 4 billion years, many species have gone extinct; and because of the actions of humans, many existing species are now enda
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