Life
- Animals
Walks on the wild side
Animals that roam widely in the wild do more poorly in zoos than those with smaller ranges.
- Animals
Figuring out what makes dogs tick
Biologists have deciphered a poodle's DNA to learn about the genes that decide what dogs are like.
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- Fossils
A really big (but extinct) rodent
A rodent about the size of a bison once roamed the riverbanks of ancient Venezuela.
- Brain
Grades Slipping? Check for Snoring
Children who snore a lot are more likely to struggle with their schoolwork.
- Animals
Frog chemist creates a deadlier poison
A poisonous frog takes up a toxin from its food and makes the chemical even more potent.
- Genetics
A DNA Clue to Reading Troubles
Scientists have identified a gene involved in a learning disorder called dyslexia.
- Animals
Delivering a little snake venom
Poisonous snakes may control the amount of venom that they inject.
- 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.
