News
- Chemistry
Bubbles turn on chemical catalysts
Mechanical force could help chemical compounds spur reactions when the time is right.
- Animals
Chimps ambidextrous when digging wells
A survey of water-collection holes dug on the banks of an African river by wild chimpanzees indicates that, unlike people, these apes don’t have a preference for using either the right or left hand on manual tasks.
- Anthropology
Hobbit brain small, but organized for complex intelligence
Evolution may have endowed a controversial species with small but humanlike brains equipped to support advanced thinking
- Health & Medicine
Sleep may clear the decks for next day’s learning
Two separate studies suggest that sleep reduces connections between neurons in fruit flies’ brains.
