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19901
It’s not surprising that a study shows that “Too little sleep may fatten kids.” Less sleep leads to more snacking leads to weight gain. Irwin TylerSpring Valley, N.Y.
- Tech
Bucky shrink-wrap
Scientists filmed cage-shaped carbon molecules as they shrank to become buckyballs.
- Agriculture
Insects laughing at Bt toxin? Try this
A new countermeasure restores the toxicity of Bt pesticides to insects that have evolved resistance.
- Anthropology
Wild chimps scale branches of culture
Distinctive behaviors in wild-chimp communities point to a basic cultural capacity in these animals.
- Physics
Shadow World
Physicists have found new evidence for a 10-year-old conjecture that bridges the gap between the many-dimensional space of string theory and more familiar theorizing.
