Uncategorized
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PlantsForest invades tundra
The Arctic tundra is under assault from trees, with serious implications for global climate change.
By Janet Raloff -
ChemistryCatching your breath
Scientists are investigating how to use the human breath to diagnose diseases and environmental ills.
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HumansWorth the cooties
Boys who attend preschool classes with a majority of girls do better developmentally than other boys.
By Bruce Bower -
AnimalsPeril of play
A new study shows that playful 2-year-old chimpanzees may be particularly vulnerable to infectious diseases — some caught from humans.
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