Recovery Roundup
Scientists have thought that brain cells that die during a stroke can't be replaced. But the brain seems to have a different idea.
Listening to Volcanoes
A new technique to analyze data from volcanoes may be music to scientists' ears.
Contagious Cancer
We all know that you can't catch cancer. But it turns out that dogs can.
Escaping Mercury
By setting off a chain reaction, global warming may cause centuries' worth of stored mercury to escape back into the environment.
Snap Judgments
First impressions are important, and new research shows we form them with remarkable speed.
Plant Friends Roundup
The microbes that live in plants' cells may be essential to their well-being.
Patient Payola
Some drug companies pay doctors to find and keep patients for clinical trials.
Medicinal Plants Roundup
Scientists are finding more and more plant compounds that fight disease.
Sharpest Needle
What qualifies something as the sharpest object in the world?
Open Greenhouse
Crops will fare poorly in a future with more carbon dioxide, a study suggests.
Vocal Dominance
Men's vocal inflections indicate whether they're up for a fight.
MedTech Roundup
Highway surveillance cameras are not just for giving tickets anymore. Now they're helping car accident victims.
Obesity Vaccine
Scientists are developing a vaccine to curb our expanding waistlines.
Crumpling Noise
A listener asks a question about the physics of an everyday thing: candy wrappers.
Mosquito Love
The facts of life are often discussed in terms of the birds and the bees. But what about the mosquitoes?
Home Genetics Roundup
A government report says genetic tests offered for home use are often not reliable.