Life

  1. Humans

    Genetics show humans likely trace back to Africa

    Our history began looking ever more complex once geneticists revealed our ancestors picked up new DNA as they traveled across time and continents.

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  2. Animals

    Baleen whales eat — and poop — a lot more than we thought

    The amount of food that some whales eat and then poop out suggests these animals have a powerful influence over ocean ecosystems.

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  3. Humans

    Want to improve your reading skills? You might just need more space

    A simple change by publishers and Web designers could help kids — both with and without dyslexia — read faster and better.

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  4. Environment

    Leaky sewer pipes pollute urban streams and bays with drugs

    Scientists find that leaking sewer pipes around Baltimore, Md., spew thousands of doses of medicines into the Chesapeake Bay and other waterways.

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  5. Plants

    Let’s learn about meat-eating plants

    Carnivorous plants use a variety of strategies to lure in and capture their prey, from sticky traps to jawlike leaves.

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  6. Climate

    Here’s how some sea-loving trees ended up far from the coast

    This “relict ecosystem” that’s more than thousands of years old moved inland due to warming and a rise in sea levels.

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  7. Physics

    Here’s why ducklings swim in a row behind mom

    Baby ducks save energy by surfing their mother’s waves, but only if they do it in an orderly line.

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  8. Brain

    Concussion patients should avoid screen time for first two days

    Teens may find it hard to avoid screen time, but data from a new study suggest it can speed their recovery.

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  9. Plants

    Scientists Say: Phloem

    Phloem is tissue that delivers food, made in leaves during photosynthesis, to the rest of a plant.

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  10. Animals

    Bloodthirsty vampire bats prefer drinking with friends

    Vampire bats were known to bond with others in their roost. Now, research suggests bonded bats often drink blood from animals together.

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  11. Brain

    Ask the experts: How to create a top-notch science fair project

    Five finalists in the Broadcom MASTERS middle-school competition reveal how they created nationally competitive projects.

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  12. Materials Science

    Bacteria make ‘spider silk’ that’s stronger than steel

    Part spider silk, the material is better than what some spiders make. Researchers think it might make the basis for surgical threads or unusually strong fabrics.

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