All Stories by Emily Sohn
- Humans
Traces of Ancient Campfires
Researchers have unearthed traces of what may be among the oldest human-controlled fires.
- Animals
Noisy boats may bother orcas
Whale watcher boats may be so noisy that killer whales must change their calls to be heard.
- 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.
- 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.
- Humans
The taming of the cat
People had pet cats at least 9,500 years ago, long before ancient Egyptians started worshipping felines.
- Animals
Snagging insects, hummingbird style
A hummingbird has an unexpectedly flexible lower bill to help it catch bugs.
- Planets
Planets on the Edge
The discovery of a strange, planetlike object beyond Pluto adds to the puzzle of how the solar system formed.
