Humor on the Brain
MRI scans show the parts of the brain stimulated by different types of jokes.
Self-Healing Materials
A synthetic material can heal itself when it's cracked or broken.
Cancer Vaccines
Why can't you treat cancer with a cancer vaccine? (Researchers are working on treatments.)
Planet Search
Looking for earth-like planets with the Infrared Space Observatory satellite
Calorie Counting
Are calories in food counted with a calorimeter? (not really, conversion factors are used)
Eye Tracking
Using an eye-tracking device to learn how children process spoken language
Hot Fire
Why is fire hot? (a rapid chemical reaction releases a lot of energy and heat)
Persistent Pollutants
Calculating the dose fraction for thousands of pollutants to assess how harmful they are to humans
Stem Cells & Parkinson’s
Ethical issues prevent human embryonic stem cells from being studied widely as a treatment for …
Atmospheric Mixing
Why don't the different gases in atmosphere separate into layers? (wind keeps them mixed)
Learning English
Computerized speech can teach Japanese adults to distinguish Ôr' and Ôl'