All Stories by Emily Sohn
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- Chemistry
Hair detectives
Scientists have found a way to figure out where a person is from and where he or she has been, just by looking at samples of the person's hair.
- Animals
Deep krill
Scientists were surprised to find Antarctic krill lurking at the bottom of the sea.
- Planets
Mercury unveiled
A new mission to Mercury is revealing surprising, never-before-seen details about the innermost planet.
- Fossils
Flight without sonar
An ancient bat fossil suggests that bats were flying before they were echolocating.
- Fossils
Tiny pterodactyl
Scientists working in China have found the remains of the smallest pterodactyl ever known.
- Humans
Settling the Americas
Scientists have a new theory about when and how people first migrated from Asia to the New World.
- Animals
Cool penguins
Climate change and warmer waters could threaten the survival of king penguins.
- Animals
The other side of the zoo fence
Zoo designers work hard to make exhibits safe and enjoyable—for people as well as animals.
- Animals
Hearing whales
At least one type of whale hears by using its jaw and throat to bring sound to its ears.
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- Health & Medicine
Healing honey
Cough medicines don't work and they can have unpleasant side effects. Doctors are starting to recommend honey instead.
