Letters to the Editor

  1. Anthropology

    Immortality and more in reader feedback

    This week in reader feedback: Immortality and tracing ancient humans.

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  2. Humans

    Moon bounces, bad spider leaders and more reader feedback

    Readers debate faith's role in evolution, compare politicians to spiders and more.

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  3. Astronomy

    Lucy’s new neighbor, downloading New Horizon’s data and more reader feedback

    Readers discuss why Pluto's data will take so long to get to Earth, the role the cerebellum plays in creative thinking and more.

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  4. Neuroscience

    Global warming unpaused, how space affects the brain and more reader feedback

    A reader shares a story about Stephen Jay Gould, while others discuss how to protect the brain from radiation in space and whether 2014 was the hottest year on record.