Racism Tolerance
People are more likely to oppose racism in theory than in practice.
Dolphin Voiceprints
New technology turns dolphin sounds into 3-D images.
Feather Fabric Roundup
Chicken feathers could be processed into a soft, wearable fabric.
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.
Elderly Video Gamers
Playing a strategic video game may help seniors keep their brains sharp.
Berry Roundup
Scientists are discovering the compounds in colorful fruit that help fight cancer and heart disease.
Fresh Blood
Using fresher blood for transfusions may make a difference to some patients.
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 past.
Science Update: 1/5/09-1/9/09
All 5 of this week's shows bundled together.
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 detecting tumors in the right.
Endectocides
Certain drugs can make human blood toxic to disease-carrying insects.
Science Update: 12/29/08-1/2/09
All 5 of this week's shows bundled together.