Uncategorized

  1. Paleontology

    Readers weigh in on dinos, dark matter and more

    Ancient bird calls, the search for dark matter and more in reader feedback.

    By
  2. Computing

    Retracted result on network equivalence reinstated

    Graph isomorphism result still stands, despite error.

    By
  3. Earth

    Evidence falls into place for once and future supercontinents

    Shifting landmasses have repeatedly reshaped Earth’s surface. Researchers piecing together the past are now picturing a new supercontinent, due in 250 million years.

    By
  4. Astronomy

    Milky Way’s black hole may hurl galactic spitballs our way

    Gas blobs formed in the wake of stars shredded by the black hole in the center of the galaxy could pass within several hundred light-years of Earth on their way to intergalactic space.

    By
  5. Particle Physics

    Dark matter still missing

    The XENON100 experiment found no evidence of an annually varying dark matter signal.

    By
  6. Chemistry

    Better batteries charge forward

    Next-generation batteries must hold more energy for longer periods at low cost. Several contenders may achieve some of these elusive goals.

    By
  7. Astronomy

    Earliest galaxies got the green light

    Galaxies in the early universe might have emitted lots of green light, powered by large populations of stars much hotter than most found today.

    By
  8. Earth

    Antarctic ice shelf heading toward collapse

    A fast-growing crack in Antarctica’s Larsen C ice shelf could soon break off a 5,000-square-kilometer hunk of ice into the ocean.

    By
  9. Physics

    New form of hydrogen created

    Scientists have created negatively charged clusters of hydrogen for the first time.

    By
  10. Planetary Science

    Many tiny moons came together to form moon, simulations suggest

    Earth’s moon formed from mini-moons generated by a series of medium to large impacts, rather than from one colossal collision, researchers propose

    By
  11. Physics

    ‘Time Travel’ tours a fascinating fiction

    James Gleick’s entertaining book Time Travel focuses more on fantasy than real science.

    By
  12. Animals

    ‘Furry Logic’ showcases how animals exploit physics

    "Furry Logic" explores how animals rely on the laws of physics in pursuit of food, sex and survival.

    By