Two newly described fossils suggest that wood is some 10 million years older than previous believed.
Two newly described fossils suggest that wood is some 10 million years older than previous believed.
Scientists discover that ancestors of the unicellular fungi can synthesize essential biomolecules with only trace levels of O2.
Mothers more likely to have twins have heavier, healthier non-twin babies, possibly explaining why twinning evolved.
More than 100 researchers have left a neuroscience institute in Brazil in the last couple of weeks, protesting managerial problems they say are thwarting their work.
Rat neurons only weakly respond as the animals climbed upwards, suggesting the brain's map of the environment doesn't account for altitude.
Researchers use directed evolution to create a bacterial strain that substitutes a synthetic base for thymine.
Heat-sensing protein channels in vampire bats allow the flying mammals to find the best place to sink their teeth into their prey.
The well-studied hormone functions as a neurotransmitter in the brains of zebra finches.
Pro-evolution bumper stickers and emblems are being removed from the cars of biologists in Florida.
Sequencing the DNA of individual neurons is a way to dissect the genes underlying major neurological and psychological disorders.