Notebook

  1. Health & Medicine

    In 1965, hopes were high for artificial hearts

    Developing artificial hearts took longer than expected, and improved devices are still under investigation.

    By
  2. Oceans

    Giant barrel sponges are hijacking Florida’s coral reefs

    Giant barrel sponges are gradually taking over and threatening Florida’s coral reefs, a new census suggests.

    By
  3. Animals

    For a female mosquito, the wrong guy can mean no babies

    Male Asian tiger mosquitoes leave female yellow fever mosquitoes uninterested in mating with their own species, a process known as “satyrization.”

    By
  4. Genetics

    Evolution caught red-handed

    Scientists have named a new gene on the fruit fly Y chromosome “flagrante delicto Y.”

    By
  5. Genetics

    Bad Karma can ruin palm oil crops

    Missing epigenetic mark makes for Bad Karma and poor palm oil crops.

    By
  6. Animals

    When octopuses dance beak to beak

    The larger Pacific striped octopus does sex, motherhood and shrimp pranks like nobody else.

    By
  7. Anthropology

    Minutes after encountering danger, lemurs yawn

    Madagascar primates yawn within minutes of encountering threats.

    By
  8. Paleontology

    Earliest sea scorpion discovered in Iowa

    Earliest sea scorpion discovered in impact crater in Iowa.

    By
  9. Planetary Science

    The sad magnetic state of the solar system’s rocky worlds

    While a strong magnetic shield protects Earth from the sun’s occasional outbursts, the solar system’s other rocky planets are mostly defenseless.

    By
  10. Animals

    A monkey uses a stick to pick its teeth and nose

    A wild bearded capuchin monkey in Brazil was caught using tools to pick its nose and teeth.

    By
  11. Astronomy

    Two stars were once considered coldest known

    Two stars once thought to be the coldest known are actually scorching compared with some truly frigid brown dwarfs.

    By
  12. Earth

    Millions of dollars’ worth of gold and silver found beneath volcanoes

    A jackpot of dissolved gold and silver discovered in reservoirs of hot water beneath New Zealand’s Taupo Volcanic Zone.

    By