1. Health & Medicine

    Hey batter, wake up!

    Baseball teams that travel across the country may be at a disadvantage when they play.

  2. Humans

    Fakes in the museum

    A close-up examination of crystal skulls reveals the true, recent origins of these "relics"

  3. Health & Medicine

    Gut microbes and weight

    A new report links a baby's gut microbes with the chance that the baby will become an overweight child.

  4. Health & Medicine

    Foul play?

    Genetic differences may affect the results of tests given to athletes to see if they have been taking performance-enhancing drugs.

  5. Health & Medicine

    Recipe for health

    Obesity is on the rise, but there are plenty of things you can do to maintain a healthy weight.

  6. Health & Medicine

    Blood goes stale—and fairly quickly

    Doctors have long thought it safe to store donated blood for up to 42 days, but some patients do better when the blood they receive is fewer than 14 days old.

  7. Health & Medicine

    Mind-reading machine

    Researchers have used brain scans to measure how the brain "sees" pictures—and to try to predict what a person is looking at.

  8. 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.

  9. 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?

  10. Health & Medicine

    Music in the brain

    Scientists have uncovered a pattern of brain activity that may tune up musical improvisation.

  11. Humans

    Settling the Americas

    Scientists have a new theory about when and how people first migrated from Asia to the New World.

  12. Health & Medicine

    Baby number whizzes

    The brains of very young babies have a sense of numbers.