News
- Tech
Giving solar cells the rough treatment
A new solar cell design that traps photons in the crevices of a bumpy surface uses low-cost materials and may make these cells more commercially appealing.
- Earth
Antimosquito coils release toxic fumes
Researchers have measured several pollutants in smoke emitted from so-called mosquito coils, which people burn at night to fend off insects.
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Adults’ brains show temperamental side
Using brain-imaging techniques, psychologists have identified possible neural locations underlying shyness or gregariousness.
- Plants
Crop genes diffuse in seedy ways
A study of sugar beets in France suggests that genes may escape to wild relatives through seeds accidentally transported by humans rather than through drifting pollen.
