News
- Health & Medicine
Emerging bug pilfers DNA
A virulent bacterium invading U.S. hospitals and the battlefields of the Middle East pilfers its genes from other bacteria.
By Brian Vastag - Chemistry
Scrubbing troubles
Triclosan, an antibacterial agent found in many soaps, may increase a person's exposure to a potentially toxic chemical.
- Earth
Hibernation concentrates chemicals
Some pollutants accumulate in grizzlies during the bears' hibernation.
By Ben Harder - Astronomy
Dance of the dead
Astronomers have found what appears to be the fastest-spinning stellar corpse known.
By Ron Cowen - Tech
Unlocking the Gaits: Robot tests locomotion switch
A blocky, bright-yellow robot that would look at home in a toy chest moves like a salamander, just as its inventors intended.
- Math
Functional Family: Mock theta mystery solved
Mathematicians have solved a legendary Indian mathematician's final problem.
- Earth
High and Dry: Pollution may stifle mountain precipitation
Trends seen in meteorological data gathered on a Chinese mountaintop suggest that air pollution reduces the amount of precipitation that falls in high-altitude regions.
By Sid Perkins - Humans
Bad Influence: TV, movies linked to adolescent smoking
White adolescents who have frequent exposure to television and R-rated movies are more likely to try smoking than are their peers with less exposure to these media.
By Nathan Seppa - Planetary Science
Saturn’s rings: A panoramic perspective
Sailing high above Saturn's equator, NASA's Cassini spacecraft took the most sweeping views of the planet's icy rings ever recorded.
By Ron Cowen -
Schizophrenia Plus and Minus: Cognitive course nudges patients into workforce
Antipsychotic drugs exert disappointingly modest effects on the quality of life of people with schizophrenia, although a new cognitive-training program shows promise as a way to get these psychiatric patients into the workforce.
By Bruce Bower - Animals
Mafia Cowbirds: Do they muscle birds that don’t play ball?
A new test offers the best evidence yet that cowbirds retaliate against birds that resist their egg scams.
By Susan Milius -
Living Long on Less? Mouse and human cells respond to slim diets
Some animals live longer on reduced-calorie diets, and in a recent experiment people on such diets had many of the cellular changes that those long-lived animals did.