Blind Navigator
A portable computer system allows blind people to navigate, read, and recognize faces.
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Squeezing Iron
Squeezing iron under high pressure and temperature to learn about Earth's core
Anti-Wrinkle Creams
How do anti-wrinkle creams work? (Retinoids and antioxidants increase collagen in skin.)
Kid Health Roundup
A ban on two insecticides has helped improve the health of babies, and video games are violent.
Hard Diamonds
Diamonds made by chemical vapor deposition are harder than natural ones.
Helpful Infections
Infection with harmless GBV-C virus has some protective effect against HIV.
Colorful Sunsets
Why are sunsets so colorful? (Light is scattered by the atmosphere and by particles.)
Quake-Resistant Homes
Using masonry skills to teach developing nations how to build earthquake-resistant houses
Science of Sex
Boosting the number of vasopressin receptors in male voles increases bonding behavior, and sexual …
Smell Loss
Loss of the sense of smell could be a warning sign of Parkinson's or Alzheimer's diseases.
Hospital Noise
The noise level in a hospital can reach the intensity of a jackhammer during the night.