Fastest Swimsuit
NASA, Speedo, and other engineers team up to beat last year's superfast swimsuit.
Fair
Root Navigation
Researchers discover just how plant roots find their way around obstacles to get to nutrients and …
Archaeological Digs
A listener asks: When archaeologists uncover ancient cities, why do they have to dig so deep?
Air Pollution & Heart Disease
Ultrafine particles of air pollution may interact with cholesterol in our bodies to cause heart …
Health Quartet
Researchers identify four health habits that correlate with a longer lifespan.
Detecting Land Mines
Removing land mines is dangerous business, but new methods may eventually make detection more …
Ultrastrong Plastic
Engineers have created a plastic that's as strong as steel, but lighter.
Obesity Virus
A common virus makes human stem cells accumulate fat in the lab.