All Stories by Emily Sohn
- Genetics
A DNA Clue to Reading Troubles
Scientists have identified a gene involved in a learning disorder called dyslexia.
- Animals
Delivering a little snake venom
Poisonous snakes may control the amount of venom that they inject.
- Space
Intruder Alert: Sweeping Space for Dust
The solar system is filling up with stardust three times faster than it was 6 years ago.
- Space
Big galaxy swallows little galaxy
Astronomers find a convincing case of a large galaxy caught in the act of eating a smaller one.
- Computing
It’s a Small E-mail World After All
It takes roughly half a dozen e-mail links to reach just about any other person in the world.
- Genetics
Baby swaps, crime scenes, and DNA testing
By looking at animal DNA, investigators are solving crimes and conservationists are helping save endangered species.
- Space
Sky Dust Keeps Falling on Your Head
Dust raining down from space and Earth's atmosphere provides information about weather patterns, pollution, and the origin of the universe.
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- 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.
- Chemistry
Worm Jaws Have Metal Power
Studying the jaws of marine worms may lead scientists to better ways of making synthetic materials.
- 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.
- Brain
Seniors Who Care Live Longer
Older people who took care of others lived longer than those who were less helpful.
