Uncategorized
- Animals
Flex That Bill: Hummingbirds’ surprising insect-catching style
High-speed videos of hummingbirds catching insects reveal that their lower bills are unexpectedly flexible.
By Susan Milius - Health & Medicine
Save the Brain: Study suggests new way to treat head trauma
A compound that stimulates nerve-cell activity may help the brain recover from serious head injuries.
By John Travis - Chemistry
Molecular Midwives: Small helper compounds may have spawned early tools of life on Earth
Life on Earth may have sprung into being with the assistance of tiny molecules that are remarkably adept at stitching together DNA in the lab.
- Planetary Science
Martian Methane: Carbon compound hints at life
The presence of methane in the Martian atmosphere spotlights the possibility that there might be primitive life on the Red Planet.
By Ron Cowen - Archaeology
Cat’s Cradle? New find pushes back origin of tamed felines
Archaeological finds on the Mediterranean island of Cyprus indicate that people domesticated cats by about 9,500 years ago, long before cat taming achieved prominence in ancient Egypt.
By Bruce Bower - Physics
A New Form of Water: Melting ice turns oddly dense
The density of a recently made film of water far exceeds that of ordinary water, suggesting that the film may be the first isolated sample of a proposed form of water thought to contribute to ordinary water's odd properties.
By Peter Weiss - Humans
Sense of Smell
Get in touch with your sense of smell. This invitation comes from the Sense of Smell Institute, which aims to spotlight the importance of smell in human psychology, behavior, and quality of life. The institute’s Web site offers a report addressing what would happen if you were to lose your sense of smell. The site […]
By Science News - Health & Medicine
SARS vaccine tests well in mouse model
Scientists have developed a DNA vaccine that stops the SARS infection in mice.
By Nathan Seppa - Earth
Inhaling your food—and its cooking fuel
Cooking emits easily inhaled pollutants that travel throughout a home and can linger for hours.
By Janet Raloff - Anthropology
Gene implicated in apes’ brain growth
A gene with poorly understood functions began to accumulate favorable mutations around 8 million years ago and probably contributed to brain expansion in ancient apes.
By Bruce Bower - Tech
Fluid lens flows into focus
By controlling a boundary between oil and water, researchers have created a liquid lens that can quickly alter its shape in response to electric signals.
By Peter Weiss - Health & Medicine
Papillomavirus infections spike in sunny months
Getting sun could increase vulnerability to a sexually transmitted virus that may lead to cervical cancer.
By Ben Harder