Notebook

  1. Genetics

    Evolution caught red-handed

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

    By Sarah Schwartz
  2. Genetics

    Bad Karma can ruin palm oil crops

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

    By Tina Hesman Saey
  3. Animals

    When octopuses dance beak to beak

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

    By Susan Milius
  4. Anthropology

    Minutes after encountering danger, lemurs yawn

    Madagascar primates yawn within minutes of encountering threats.

    By Bruce Bower
  5. Paleontology

    Earliest sea scorpion discovered in Iowa

    Earliest sea scorpion discovered in impact crater in Iowa.