Predicting Fingerprints
A mathematical model predicts fingerprint patterns based on biological factors.
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Twinkling Stars
Why do stars twinkle? (Atmospheric turbulence bends the light, and our pupils are small.)
Kid Psych Roundup
Violent images increase aggressive behavior in children, and antidepressant use is up among …
Baby Armadillos
Do armadillos always have identical quadruplets? (Yes, indeed, but no one knows why.)
Dogs and their Owners
People pick purebred dogs based on their traits, so dogs really do look like their owners.
Cognition Roundup
Emotions affect how we buy and sell, and exercising to music improves verbal fluency.
Blind Navigator
A portable computer system allows blind people to navigate, read, and recognize faces.
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.
Helpful Infections
Infection with harmless GBV-C virus has some protective effect against HIV.