Uncategorized

  1. Space

    Most planets on tilted orbits pass over the poles of their suns

    Nearly all of the worlds on misaligned trajectories in other solar systems orbit at nearly 90 degrees to their stars’ equators.

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  2. Readers weigh in on the ‘USS Jellyfish,’ the new age of videocalling and more

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  3. How test tube babies went mainstream

    Editor in chief Nancy Shute discusses the history of assisted reproductive technologies, which has made parenthood possible for millions of people.

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  4. Animals

    Mouse sperm thrived despite six years of exposure to space radiation

    A space station experiment suggests future deep-space explorers don’t need to worry about passing the effects of space radiation on to their children.