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3,981 results for:

  1. Fatherless Stem Cells: Scientific fraud involved an accidental advance

    Stem cells that discredited researcher Woo Suk Hwang claimed as the first example of human cloning actually came from embryos that contained only the mother's genetic material.

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  2. Space

    The Drake Equation: All in the family

    On November 1, the formula for estimating the abundance of extraterrestrial life in our galaxy celebrates its 50th birthday. It’s known as the Drake equation for its creator, Frank Drake, who is also my father.

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  3. Space

    Alien hunter redirects her search to Earth-based funding

    SETI scientist Jill Tarter retires from research to focus on raising funds to continue search for extraterrestrial life.

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  4. New Machines and Gadgets

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  5. Back Matter

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  6. Edward J. Meeman Dies

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  7. Low-Power Accelerators

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  8. The Battle for the Reef

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  9. Back Matter

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  10. Back Matter

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  11. Human Gene Maps: A First Step toward Genetic Engineering

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  12. Capt. Tribus Awarded Thurman H. Bane Prize

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