News
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AnimalsEveryday electronics may upset birds’ compass
Weak electromagnetic waves, coming from normal university activities, interfere with European robins’ migratory orientation.
By Susan Milius -
Health & MedicinePoor ventilation in schools may spur TB spread
Researchers found high carbon dioxide levels in South African classrooms, suggesting that poor ventilation may contribute to tuberculosis transmission.
By Nathan Seppa -
ClimateCrop nutrients may drop as carbon dioxide rises
Many staple grains and legumes pack 5 to 10 percent less iron, zinc and protein when grown at carbon dioxide levels expected midcentury.
By Beth Mole -
NeuroscienceYoung blood proven good for old brain
Blood — or one of its protein components — restores some of youth’s vibrancy to elderly mouse brains.