Uncategorized
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A Tale of the Tapeworm: Parasite ploy suggests drug-delivery tactic
A chemical used by tapeworms to slow intestinal pulsations may help people absorb drugs more efficiently.
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No Rest for the Waking: Brain cells for alertness fire without cues
The brain cells that keep people awake fire spontaneously and continuously on their own, suggesting that sleep depends on signals from other brain regions that quiet these neurons.
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Original Kin: Six-legged bugs may have evolved twice
Insects may have evolved independently from other six-legged land bugs and may be more closely related to crustaceans than to their fellow so-called hexapods.
- Astronomy
Cosmic Afterglow: Gamma-ray bursts may one-up themselves
New observations suggest that gamma-ray bursts may be even more energetic than scientists had estimated.
