Uncategorized

  1. Astronomy

    An Earth-sized hell circles faraway star

    Kepler-78b, an Earth-sized, extremely hot exoplanet made of rock and iron, is the smallest with known diameter and mass.

    By Gabriel Popkin
  2. Health & Medicine

    Antibodies show progress against HIV

    Proteins suppress disease in monkeys, but don’t cure it.

    By Nathan Seppa
  3. Chemistry

    Floating beads of water act as tiny test tubes

    Chemists exploit pH and ion charge in superheated water drops to create nanoparticles.

    By Beth Mole
  4. Genetics

    Genetic variants may keep Siberians warm

    People in frigid cold evolved changes in fat metabolism, shivering.

    By Tina Hesman Saey
  5. Environment

    Mercury contamination in California to last 10,000 years

    Toxic remnants of gold rush will seep into San Francisco area waterways for millennia.