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  1. Planetary Science

    A buried lake on Mars excited and baffled scientists

    Planetary scientists are still trying to explain how a lake could have formed beneath a kilometer and a half of Martian ice.

    By Lisa Grossman
  2. Neuroscience

    Zapping the spinal cord helped paralyzed people learn to move again

    A handful of people paralyzed from spinal cord injuries have learned to walk again.

    By Laurel Hamers
  3. Anthropology

    Human smarts got a surprisingly early start

    Human ingenuity began on treks across Asia and in fluctuating African habitats.

    By Bruce Bower
  4. Science & Society

    To assemble a Top 10 list, Science News starts in June

    Editor in Chief Nancy Shute discusses creating Science News' annual Top 10 science stories of the year.