All Stories by Emily Sohn
- Animals
Hippo sweat is natural sunscreen
Hippo "sweat" contains substances that fight microbes and screen out ultraviolet light.
- Physics
Project music
From hard rock to country and classical, music comes into play in several award-winning science projects.
- Tech
Spin, Splat, and Scramble
Studies of games, sports, and puzzles lead to award-winning science projects.
- Space
Older Stars, New Age for the Universe
The oldest stars appear to be about a billion years older than astronomers had estimated.
- Plants
Plants travel wind highways
Some plants can hitchhike along invisible freeways of wind to reach distant places.
- Animals
Prime time for cicadas
Researchers are tracking down why some types of cicadas emerge in vast numbers only once every 17 years.
- Brain
Little Toys, Supersize Mistakes
Toddlers sometimes treat small objects, such as toy cars or dollhouse chairs, as if they're much larger.
- Fossils
Ancient critter caught shedding Its skin
A fossil reveals that ancient animals shed their skin, just as insects and crustaceans do today.
- Brain
Charging up the brain for reading
Some kids can become better readers if they learn how written letters match up with speech sounds.
- Ecosystems
Frogs get poison from ants
The skin of some frogs becomes poisonous after they eat certain kinds of ants.
- Environment
Alien invasions
Around the world, plants, animals, fungi, and other life forms are ending up in places where they don't belong.
- Health & Medicine
Workouts: Does Stretching Help?
Stretching before exercise or sports may not improve performance or reduce the chance of injury.
