Life
- Genetics
Baby swaps, crime scenes, and DNA testing
By looking at animal DNA, investigators are solving crimes and conservationists are helping save endangered species.
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- Brain
Seniors Who Care Live Longer
Older people who took care of others lived longer than those who were less helpful.
- Animals
City birds hit the high notes
Some songbirds battle traffic noise by singing at a higher pitch.
- Plants
New gene fights potato blight
Adding a gene from a wild potato to the varieties we eat could stop a devastating potato disease.
- Plants
City trees beat country trees
Cottonwood trees grow better in New York City than in rural places around the state.
- Animals
Navigating by the light of the moon
A dung beetle is the first animal found to navigate by detecting a property of moonlight.
- Animals
Ant invasions change the rules
Ant invaders may wreck the rules by which entire communities of their peers work.
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- Tech
Cell phones and possible health hazards
Radiation from some cell phones appears to kill brain cells in rats.
- Animals
Fish nests with pizzazz
Fish known as three-spined sticklebacks go gaga over decorating their nests.
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