News
-
Nonstick chemicals upset behavior
A study in mice finds that early-life exposure to the fluorinated chemicals used in nonstick products can rewire the brain in ways that dramatically affect behavior.
- Chemistry
Drinking increases skin’s permeability
Drinking alcohol can greatly compromise the skin's barrier to chemicals.
- Earth
Leaden streets
Street grit is the probable source of lead in urban homes, and flaking paint from overpasses and bridges is a major contributor.
- Health & Medicine
Moldy whiff kills brain cells
A common black mold that blooms on moist cellulose-based materials produces a toxin that can kill certain brain cells.
- Chemistry
Busted bonds
The tenacious bonds between two carbon atoms can be broken in a surprisingly simple process.
- Anthropology
Capuchins resist inbreeding chances
Wild capuchin monkeys manage to avoid inbreeding, despite rampant opportunities for high-status fathers to mate with their grown daughters.
- Astronomy
Glassy galaxies
Astronomers have found clouds of sand crystals resembling crushed glass around 21 infrared-bright galaxies.
- Animals
Woodpecker video is challenged and defended
The video released last spring as evidence that the ivory-billed woodpecker exists may show a common pileated woodpecker, some critics say.
- Humans
Science’s New Guard: Winners of annual competition get honors and hefty scholarships
For her water-quality research project, an 18-year-old from Utah earned top honors among 40 competitors in the final phase of the annual Intel Science Talent Search.
- Materials Science
The art of the fold
With DNA origami, researchers can make complex nanostructures.
- Animals
Can You Hear Me Now? Frogs in roaring streams use ultrasonic calls
A small frog living beside Chinese hot springs may be the first amphibian known to use ultrasound in its calls.
-
Grown-Up Connections: Mice, monkeys remake brain links as adults
Two new studies offer a glimpse of extensive remodeling of nerve connections in the brain's outer layer, or cortex, during adulthood in mice and monkeys.
