Fall Color Differences
A new hypothesis explains why fall colors differ in the U.S. and northern Europe.
Phone
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?
Early Climate Change
Humans may have affected the Earth's climate thousands of years ago.
Itch Neurons
Scientists have identified nerve cells dedicated to the itch sensation.
Podcast
HEALTH REPORT: A new micro-needle patch could bring vaccines to millions, we really do walk in …
Whale Sharks
Marine scientists use digital photographs to identify and help conserve the world's largest sharks.
Asteroid Watch
Citizens can now track nearby asteroids online or via Twitter.