All Stories

  1. Life

    Vitamin A deficit in the womb hurts immune development

    Mice deprived of vitamin A in utero grow up with undersized immune organs.

    By
  2. Animals

    Owl monkeys’ fidelity linked to males’ quality of parenting

    The evolution of animals’ sexual fidelity is probably linked to the intensity of male care, the researchers suggest.

    By
  3. Animals

    Like a boomerang, relocated python comes back again

    Burmese pythons, which have invaded the Everglades, can find their way home when people move them dozens of kilometers.

    By
  4. Genetics

    Early Polynesians didn’t go to Americas, chicken DNA hints

    Contamination of ancient chicken DNA may explain previous report linking Polynesians to South America.

    By
  5. Math

    Our Mathematical Universe

    Math is everywhere: medicine, sports, banking, gambling, National Security Agency espionage.

    By
  6. Science & Society

    Stone throwers might toss fingerprints into police hands

    An Israeli police lab is studying methods to develop fingerprints on rock to identify stone throwers.

    By
  7. Genetics

    Giant moa thrived before people reached New Zealand

    Humans probably caused the extinction of giant wingless birds called moa in New Zealand, DNA evidence suggests.

    By
  8. Astronomy

    Sun’s ejections collide to create extreme space storm

    In July 2012, the sun shot off streams of charged particles and magnetic fields that collided to create a record-setting space storm.

    By
  9. Animals

    How to count a sea turtle

    Trends, not absolute numbers, matter more when it comes to conservation efforts for sea turtles.

    By
  10. Space

    Exoplanet oxygen may not signal alien life

    Oxygen in an exoplanet atmosphere may come from water and ultraviolet light, not alien life.

    By
  11. Cosmology

    Gravitational waves unmask universe just after Big Bang

    For the first time, researchers have seen traces of superfast cosmic expansion and gravity waves.

    By
  12. Cosmology

    Inflation rides gravity waves into cosmological history

    The discovery of gravity waves in the cosmic microwave radiation signals the success of inflationary cosmology.

    By