News
- Materials Science
Branching Out: Semiconducting nanotrees could boost electronics
Forests of semiconducting nanotrees could form the basis of future solar cells, low-energy lighting, and other optical or microelectronic devices.
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Breeds Apart: Purebred dogs defined by DNA differences
The most thorough DNA analysis yet of purebred dogs suggests that canine breeds can also be discerned genetically with great accuracy.
- Plants
Wind Highways: Mosses, lichens travel along aerial paths
Invisible freeways of wind may account for the similarity of plant species on islands that lie thousands of kilometers apart.
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Pot on the Spot: Marijuana’s risks become blurrier
A research review challenges the assumption that scientists have demonstrated a causal link between teenage marijuana use and later psychological and behavioral problems.
