All Stories
- Chemistry
Explainer: What are oxidants and antioxidants?
Certain chemicals, including many in foods, fight chemical reactions that could harm cells in the body and in wildlife.
- Health & Medicine
How super are superfruits?
Fruits are good for you, but some advertisements claim that certain fruits are especially nutritious. Is there science to support the superfruit hype?
- Space
Ready, set, supernova
For the first time, scientists have caught a star in the act of exploding.
- Health & Medicine
Music in the brain
Scientists have uncovered a pattern of brain activity that may tune up musical improvisation.
- Ecosystems
When fungi and algae marry
Lichens live in nearly every environment on Earth, but scientists are still discovering basic information about them.
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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.
- Animals
A ‘book’ on every living thing
The biggest encyclopedia ever, with an entry for every living species, is available now at a computer near you.
- 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.
