Racism Tolerance
People are more likely to oppose racism in theory than in practice.
Good
C02 in Space
Astronomers have detected carbon dioxide on a planet outside our solar system for the first time.
Facial Expressions
Our facial expressions are likely hard-wired, not learned.
Hospital Plants
Putting plants in hospital rooms may help people recover from surgery.
Recovering Reefs
Coral reefs hit hard by 2004's tsunami in Southeast Asia are recovering at a rapid rate.
Electronic Cotton
Electrically conductive cotton could be used to make clothes that monitor your health.
Global Warming
A listener asks: If it's so cold outside this winter, how can we be experiencing global warming?
Little Ice Age
Widespread disease epidemics in the Americas may have set off a period of global cooling in the …
Teen Obesity
Teens from low-income backgrounds face several heightened obesity risks.
Lopsided Colonoscopies
Colonoscopies are very effective at detecting tumors in the left colon but nearly useless in …