Humans
- 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?
- Health & Medicine
Music in the brain
Scientists have uncovered a pattern of brain activity that may tune up musical improvisation.
- Humans
Settling the Americas
Scientists have a new theory about when and how people first migrated from Asia to the New World.
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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.
- Health & Medicine
The essence of celery
Tasteless compounds in celery give the vegetable essential flavoring powers.
- Health & Medicine
Heart revival
Scientists have found a way to transform a rat's dead heart into a living one.
- Health & Medicine
Memory by hypnosis
Scientists are using hypnosis to better understand how the brain remembers—or doesn't.
- Health & Medicine
Babies prove sound learners
Scientists are gaining new insights into why babies are so good at learning languages.
- Health & Medicine
Sweeeet! The skinny on sugar substitutes
Millions of people use artificial sweeteners, but are they safe?
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