News
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Planetary ScienceFlashy news from Mars
A streak across the Martian sky observed by the rover Spirit was most likely a meteor associated with a comet called Wiseman-Skiff.
By Ron Cowen -
Monkeys keep track of small numbers
Monkeys show signs of knowing when the number of faces that they see matches the number of voices that they hear, leading a research team to conclude that these primates possess basic counting skills.
By Bruce Bower -
Placebo gives brain emotional break
Placebo-instigated anxiety reduction is accompanied by sparse activity in emotional parts of the brain as well as by intense responses in neural structures that dampen pain, a new brain-scan study finds.