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  1. Materials Science

    Bonelike polymer supports stem cells

    A polymer scaffold that mimics the environment in which natural bone grows provides stem cells with the right cues to lay down new bone.

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  2. Materials Science

    Buckyballs store 1s and 0s in new memory device

    Scientists have created a material that stores bits of data in the soccer ball-shaped carbon molecules known as buckyballs.

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  3. Health & Medicine

    Colon scans reveal heart risk

    Virtual colonoscopy may offer the side benefit of identifying heart attacks that are waiting to happen.

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  4. Health & Medicine

    Trade Center cough is diagnosed

    Obstructions that trap air deep within the lungs may explain certain breathing difficulties among some people who worked at the site of the World Trade Center following Sept. 11, 2001.

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  5. Materials Science

    A light wrap?

    Materials scientists have created fabrics that can both detect light and conduct electricity.

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  6. Growing where they haven’t grown before

    Researchers have found the right laboratory conditions for growing mouse precursor cells into sperm.

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  7. Animals

    Song Fights

    Birds settle many of their disputes by some rough-and-tough singing bouts, and recording equipment now lets researchers pick a song fight, too.

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  8. Physics

    An Electron Runs through It

    Now that physicists can observe electrons beneath the surface of microchips, they have uncovered electron-flow patterns that are both surprising and visually startling, as well as new details of electron behavior that may lead to faster electronics and quantum computing.

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  9. Sit, Stay, Speak

    If dogs could verbally comment on the scientific study of canine minds and how they really think, it might sound something like this.

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  10. Math

    Pennies in a Tray

    Packing pennies in circular trays can lead to intriguing mathematical complexities.

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  11. Humans

    From the December 8, 1934, issue

    Goose barnacles, the formation of elements, and the nature of cosmic rays.

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  12. Health & Medicine

    Exploring the Heart

    Learn about the human heart at a fascinating online exhibit from the Franklin Institute Science Museum in Philadelphia. Discover the complexities of the heart’s development and structure. Follow the blood on its journey through the blood vessels. Check out how to keep your heart healthy and how to monitor your heart’s health. Look back at […]

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