All Stories
- Agriculture
Flush-free fertilizer
Scientists have found a new use for human urine — as a potent crop fertilizer.
- Tech
Seen on the Science Fair Scene
At science fairs, students get to travel the world, gain research experience, and make new friends. Oh, yeah, and then there are the prizes.
- Ecosystems
Underwater jungles
Cold-water-loving kelp forests may be surprisingly abundant in the tropics.
- Humans
A Long Haul
A new study of stone tools suggests that ancient Polynesian sea voyagers traveled thousands of miles in their canoes.
- Math
Play for Science
Computer scientists are developing programs to win popular games. In the process, they are developing solutions for other, more serious, puzzles.
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- Fossils
Feathered fossils
Scientists have discovered evidence of feathers on one of the biggest dinosaurs yet.
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- Animals
Bee Disease
Scientists may have found one reason why honeybees have been disappearing from the United States.
- Planets
Planet Survivor
Scientists have discovered a planet outside our solar system that survived the rapid growth of its parent star.
- Health & Medicine
The buzz about caffeine
Is caffeine bad or good for you? The answer is: a little of both.
- Animals
Color-changing bugs
A species of South American beetle changes color from shiny gold to dull red—and back again.
