Humans
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- 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.
By Emily Sohn - Health & Medicine
Fighting Off Micro-Invader Epidemics
Colds, the flu, and other, deadlier diseases can spread very quickly.
By Emily Sohn - 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.
By Emily Sohn - Health & Medicine
Prime Time for Broken Bones
Today's kids are breaking arm bones far more often than did kids just 30 years ago.
By Emily Sohn - Health & Medicine
Turning to Sweets, Fats to Calm the Brain
Constant worries may drive people to eat sweet and fatty foods that can soothe the brain.
By Emily Sohn - Humans
Ancient art on the rocks
Hand imprints and matchstick figures found in a Borneo cave were made 10,000 years ago.
By Emily Sohn - Animals
Delivering a little snake venom
Poisonous snakes may control the amount of venom that they inject.
By Emily Sohn - Humans
Of Lice and Old Clothes
The history of lice hints that people started wearing clothes regularly about 70,000 years ago.
- Humans
A human migration fueled by dung?
When people crossed from Asia to the Americas thousands of years ago, burning dung may have kept them warm.
By Emily Sohn - Health & Medicine
Speedy Gene Gives Runners a Boost
A gene known as ACTN3 may influence whether athletes are better suited to sprinting or to endurance running.
By Emily Sohn - Animals
Navigating by the light of the moon
A dung beetle is the first animal found to navigate by detecting a property of moonlight.
By Emily Sohn