Uncategorized

  1. Astronomy

    The Star That Ate a Mars

    COVER STORY: Scientists probe debris trapped by white dwarfs to learn more about what faraway Earthlike planets are made of.

    By Charles Petit
  2. Health & Medicine

    You Are Who You Are by Default

    A neural network active when the brain is at rest may prove critical to zoning out, a sense of self and envisioning the future.

    By Tina Hesman Saey
  3. Health & Medicine

    Bad Breath

    New studies detail how the invisible particles that pollute the air can damage heart, lungs and genetic programming.

    By Janet Raloff
  4. Life

    Hornets suffocate in bee ball

    Researchers find a spike in carbon dioxide, along with an increase in heat, makes honeybees' enemies vulnerable.