Humans
- Humans
EPA considers new call for toxicity testing of BPA
The Environmental Protection Agency solicited public comment, July 26, about whether to require new toxicity testing and environmental sampling of bisphenol A, an ingredient in many plastics and food-contact resins.
- Health & Medicine
Chimp brains don’t shrink
Primate studies aim to find out why humans get dementia.
- Health & Medicine
Tossing, turning, forgetting
A new study in mice finds that sleep disturbance erodes memory.
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- Health & Medicine
Body & Brain
Knights’ bodily burden, go-to-sleep nerve cells, rat empathy and more in this week’s news.
- Health & Medicine
‘Wave of death’ may not be a last gasp
A minute after decapitation, a rat's severed head shows signs of life.
- Psychology
Kids share, chimps stash
Divvying up goods comes easily to 3-year-old kids but not to adult chimps, a finding with evolutionary implications.
- Health & Medicine
Body & Brain
The brain sleeps in shifts, plus thinking better with folate, how brains feel the beat and more in this week's news.
- Health & Medicine
Something in the air may cause lung damage in troops
Unexplained breathing problems in soldiers serving in Iraq and Afghanistan come from deposits that damage tiny passages in the lungs.
- Humans
Mirror system gets an assist
Study finds two brain systems are surprisingly active when an amputee observes a task she can’t perform.
- Psychology
Narcissists need no reality check
Masters of vanity know they’re arrogant and disliked, but see own bigheadedness as justified.
- Humans
Crime’s digital past
Computer science makes history, gleaning new findings from centuries' worth of transcripts from a Victorian-era courthouse.
