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  1. 19726

    I was sorry to learn Pluto did not qualify as a planet (“New Solar System? Twelve planets and counting,” SN: 8/19/06, p. 115, and this article). Pluto has a diameter comparable with the Earth’s moon. The size of our moon relative to Earth might cause any observer to consider Earth and its moon as double […]

    By Science News
  2. Health & Medicine

    Head to Head: Brain implants are better for Parkinson’s patients

    Parkinson's patients who get electrodes surgically implanted in their brains regain some muscle control and have improved quality of life.

    By Nathan Seppa
  3. Paleontology

    Frozen rainforest

    Fossils trapped in amber provide evidence that the Amazonian rainforest dates back 10 to 15 million years.