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  1. 19543

    This article made me wonder about the possibility of a continuum of matter. Could part of the problem in identifying dark matter be that only part of the spectrum of matter is observable by our senses and sensors? As there are sound waves above and below the frequencies we can hear, and light waves we […]

    By Science News
  2. Astronomy

    Dark Influence

    A study of galaxy clusters tests whether dark matter particles can collide with each other, while other observations show that dark matter doesn't behave as expected near the centers of galaxies.

    By David Shiga
  3. Math

    Captcha the Puzzle

    A computer creates a test that it can't pass but most people can.