All Stories

  1. Earth

    A feverish world

    The second of a two-part series on climate change.

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  2. Environment

    Polar ice feels the heat

    This is the first of a two-part series on global climate change.

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  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.

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  4. Earth

    Salty, old and, perhaps, a sign of early life

    Exploring salt deposits, researchers unearthed the planet's oldest-known, complete molecules thought to have been made by living things.

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  5. Animals

    Blooming jellies

    Jellyfish and other gooey marine creatures are showing up in new places, and scientists are trying to discover why.

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  6. 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.

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  7. Chemistry

    Sugary survival skill

    Scientists have discovered the trick that an African fly uses to survive dry times.

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  8. Physics

    Explainer: Understanding light and electromagnetic radiation

    Here's a simple guide to the different types of electromagnetic energy that move as waves.

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  9. Tech

    Undercover detectives

    T-rays are digitally uncovering everything including potential terrorists, buried images on church walls, and subsurface flaws in the foam used to protect space shuttles.

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  10. Health & Medicine

    Recipe for health

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

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  11. 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.

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  12. Animals

    Listening to birdsong

    Among certain finches, a lady bird knows when a gentleman bird is sending subtle messages in his calls—ones that people can't detect.

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