All Stories

  1. Planets

    New evidence of a wet Mars

    Ten years in to its tour of Mars, the Opportunity rover finds another place on the Red Planet that once might have hosted water.

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  2. Life

    How to reset a cell

    Scientists had reported they had figured out how to turn a specialized cell into any other type of cell the body may need. All it took was an acid bath. But now in July, big doubts have emerged about the quality of that work and whether the results will hold up.

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  3. Brain

    When Cupid’s arrow strikes

    Scientists have begun dissecting what it means to be in love. They are finding that much of what we feel can be explained by the effects of a few key chemicals — and not just on our hearts and brains, but on our whole bodies.

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  4. Physics

    Building a mirror with light

    Scientists proved that lasers can be used to harness materials into a reflective surface. Some scientists ask: Can a space mirror be far away?

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  5. Health & Medicine

    Many human ails are ‘scars’ of evolution

    Humans suffer many physical problems that other primates don’t, from sprained ankles to hip fractures. Scientists now say you can blame these on evolution.

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  6. Mario and texting make a fun science fair project

    Ideas for engaging science fair projects don’t have to come from books or science fair websites. Kids are more likely to get enthusiastic when a topic reflects what they care about most, from baking to sports to video games.

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  7. Brain

    The weight of thought

    Thinking heavy thoughts? Scientists have just put people on a balance and shown that the brain briefly gains blood — becoming a bit heavier — while concentrating.

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  8. Animals

    Dissecting the dog paddle

    Scientists occasionally describe the dog paddle as a “trot,” but that’s not right. When dogs swim, their complicated leg motions look more like a frantic run.

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  9. Science site brings the brain to young minds

    A new website run by scientists takes input from kids to help make science articles accessible. There’s room for improvement, but the concept is exciting.

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  10. Environment

    Does lightning sculpt mountains?

    A new study sparks debate about how much rubble on a mountainside has been blasted loose by powerful bolts from the sky.

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  11. Brain

    Memory lessons from a forgetful brain

    Scientists have just begun probing the preserved tissue from “H.M.” Even five years after he died, this man’s brain continues to offer lessons on how people make — or fail to make — memories.

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  12. Physics

    The ultimate wordfind puzzle

    The world’s oldest library has books with hidden texts. Researchers are now using a high-tech approach to reveal their long-masked words.

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