All Stories

  1. Life

    Let’s learn about alligators and crocodiles

    Alligators and crocodiles seem similar — but they live in different places and look different, too.

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  2. Archaeology

    Stonehenge enhanced voices and music within the stone ring

    Scientists built a 'Stonehenge Lego' model in a sound chamber to study how sound would have behaved in the ancient stone circle.

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  3. Chemistry

    Scientists Say: Plastic

    Plastics are made of long polymer chains and can take on many shapes. Unfortunately, they stick around for a long time.

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  4. Space

    Strange but true: White dwarfs shrink as they gain mass

    Telescope observations of thousands of these stars now confirm a decades-old theory on how their masses relate to their waistline.

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  5. Animals

    One tiny sea parasite survives 200 times atmospheric pressure

    Known as the seal louse, this tiny insect can survive deep oceanic dives on its mobile home, a marine mammal.

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  6. A dirty and growing problem: Too few toilets

    As the famous book says, everybody poops. That’s 7.8 billion people, worldwide. For the 2.4 billion with no toilet, the process can be complicated.

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  7. Physics

    The exotic ‘atom’ positronium surprises scientists

    New measurements of a weird but simple atom, one without a nucleus, suggest it may have unexpected properties. Scientists find this troubling.

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  8. Animals

    Whale blowholes don’t keep out seawater

    Whales’ blowholes aren’t as protective as scientists had thought. They not only can let in water but also pollutants.

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  9. Life

    Scientists Say: Amphibian

    Amphibians are ectotherms that live dual lives — they start off in water, breathing with gills, and end up breathing air with lungs.

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  10. Chemistry

    New solution for carbon dioxide: Turn it into ‘green’ fuel

    Chemists have created a new way to convert carbon dioxide into ethanol. It might one day help remove excess CO2 — a greenhouse gas — from the air.

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