Fall Color Differences
A new hypothesis explains why fall colors differ in the U.S. and northern Europe.
Melatonin and Jet Lag
A listener asks: Can melatonin really help decrease jet lag?
Podcast
The gecko's phantom tail, the social lives of fruit flies, stem cells from fat, fall color secrets, …
Walking in Circles
People really do walk in circles when they get lost – if there's no way for them to get their …
Reading in Dim Light
In this episode our new series Reality Check: Does reading in dim light ruin your eyes?
Micro-needle Patch
A new vaccine skin patch could change how we get our shots.
Public Health Roundup
Public health officials are re-assessing who is most likely to spread the flu in an effort to keep …
Early Climate Change
Humans may have affected the Earth's climate thousands of years ago.