All Stories
- Ecosystems
Frogs get poison from ants
The skin of some frogs becomes poisonous after they eat certain kinds of ants.
- Animals
Noisy boats may bother orcas
Whale watcher boats may be so noisy that killer whales must change their calls to be heard.
- Health & Medicine
Workouts: Does Stretching Help?
Stretching before exercise or sports may not improve performance or reduce the chance of injury.
- Humans
Traces of Ancient Campfires
Researchers have unearthed traces of what may be among the oldest human-controlled fires.
- Genetics
What makes a dog?
Analyzing dog DNA is helping to explain the origin, behavior, and diseases of dogs.
- Humans
Hints of Life in Ancient Lava
Ancient lava may contain some of the earliest traces of life on Earth.
- Planets
Search for a Missing Moon
Sedna, the most distant object known in the solar system, doesn't appear to have a moon.
- Tech
Robots on a Rocky Road
In a recent race, high-tech, robotic vehicles tried to drive themselves across a desert.
- Animals
Male baboons get mellow
Females may get male baboons to tone down violent behavior and become more cooperative.
- Chemistry
Spinning Clay into Cotton
Adding clay to cotton fibers can keep cotton from readily bursting into flame when heated.
- Animals
Snagging insects, hummingbird style
A hummingbird has an unexpectedly flexible lower bill to help it catch bugs.
- Health & Medicine
Allergies: From bee stings to peanuts
As more and more people develop allergies, researchers are looking for ways to treat and prevent severe allergic reactions.
