Uncategorized
- Earth
Rounding Up Resistance: Weed sacrifices seeds to put up with a herbicide
Use of herbicides containing glyphosate can drive evolution in the tall morning glory, even though the weed must simultaneously sacrifice a measure of its fertility.
- Materials Science
Face to Face: Crystal-growth method bodes electric payoff
A new method for growing silicon carbide eliminates crystal defects that have long prevented the compound's wider use in electric devices.
- Health & Medicine
Vitamin may guard against mental decline
The B vitamin niacin may protect people against Alzheimer's disease and other forms of mental decline.
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Brain protein peps up and soothes rodents
A recently identified brain hormone increases wakefulness and appears to suppress fear when it's injected into rodents.
