News
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TechBody-fluid battery
A battery that's activated by body fluids such as saliva or urine may one day power devices ranging from disposable home health-care testing kits to emergency radio transmitters that turn on with a lick.
By Peter Weiss -
Health & MedicineProtein fingered in rare psychosis
A protein is pivotal in bringing on the psychotic attacks that beset people with porphyria, a rare inherited disease.
By Nathan Seppa -
AnimalsBumblebee 007: Bees can spy on others’ flower choices
Bumblebees that watched their neighbors feast on unusual flowers often later checked out the same kinds of blossoms themselves, a behavior that amounts to social learning.
By Susan Milius -
Health & MedicineA New Role for Statin Drugs? Cholesterol fighters may reduce deaths soon after heart attacks
Statin drugs given within 24 hours of a heart attack improve a patient's chance of surviving.