News
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- Physics
Left in the cold
An optical trap lets atoms in but not out, and it can be used to study matter at ultracold temperatures.
- Chemistry
Catching your breath
Scientists are investigating how to use the human breath to diagnose diseases and environmental ills.
- Humans
Worth the cooties
Boys who attend preschool classes with a majority of girls do better developmentally than other boys.
- Animals
Peril of play
A new study shows that playful 2-year-old chimpanzees may be particularly vulnerable to infectious diseases — some caught from humans.
