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EarthExcreted Drugs: Something Looks Fishy
Drugs that the body can't fully use enter waste water, where they may affect aquatic life—or wind up in tap water.
By Janet Raloff -
TechSatellite links may don quantum cloaks
A theoretically foolproof scheme to shield secrets via the laws of quantum mechanics demonstrates its readiness to take on Earth-satellite communications.
By Peter Weiss -
Health & MedicineCommon antibiotic may cure river blindness
Tests in cows suggest that tetracycline might kill the tiny worm that spreads river blindness, a disease that infects about 18 million people.
By Nathan Seppa -
ArchaeologyNeandertals’ diet put meat in their bones
Chemical analyses of Neandertals' bones portray these ancient Europeans as skillful hunters and avid meat eaters, countering a theory that they mainly scavenged scraps of meat from abandoned carcasses.