News

  1. Life

    Plants swap chloroplasts via grafts

    The energy-converting cellular organs can pass through connections, carrying genetic material with them.

    By Susan Milius
  2. Chemistry

    Muscle massage may speed healing

    Rubbing sore, overworked areas trips anti-inflammatory switches in the tissue that might speed healing and ease pain.

    By Nathan Seppa
  3. Earth

    Big volcanoes wake up fast

    Crystal chemistry suggests magma changes quickly before a huge eruption.

    By Alexandra Witze
  4. Humans

    Arsenic-based life finding fails follow-up

    Tests see no evidence to confirm a bold 2010 claim that some microbes can incorporate the normally toxic element into their cellular machinery.

    By Rachel Ehrenberg
  5. Space

    Spacecraft captures dust from interstellar wind

    Measurements of the particles reveal clues about the composition of space beyond the solar system.