Humans
- Health & Medicine
Walking to exercise the brain
Light exercise can help elderly people keep their brains in shape.
- Health & Medicine
Building a food pyramid
Experts are trying to work out new rules on which foods to eat and which ones to avoid.
- Health & Medicine
Strong Bones for Life
Weak bones are an increasing problem for kids and teenagers.
- Animals
A bowerbird’s guide to style
To attract a mate, male bowerbirds go for a cheaper, low-key look instead of showy decorations.
- Animals
A hangout for elusive blue whales
Scientists have now found a place off southern Chile where blue whales gather.
- Humans
Digging up Stone Age art
Researchers have uncovered some very old, mysterious animal sculptures.
- Humans
Preserving Ancient Warrior Paint
Chemistry helps keep paint on ancient clay statues from cracking and quickly peeling off.
- Archaeology
Symbols from the Stone Age
Rocks found in a cave suggest the people used objects and colors to stand for other things more than 90,000 years ago.
- Health & Medicine
Fighting Off Micro-Invader Epidemics
Colds, the flu, and other, deadlier diseases can spread very quickly.
- Humans
The puzzle of ancient mariners
Prehistoric sailors may have traveled from island to island across the ocean.
- Computing
A classroom of the mind
Computer technology that puts kids in a cartoon classroom may help them learn to pay attention.
- Health & Medicine
Prime Time for Broken Bones
Today's kids are breaking arm bones far more often than did kids just 30 years ago.
