Uncategorized

  1. Animals

    Southern right whale moms and calves may whisper to evade orcas

    Mother-calf whale pairs call to each other quietly to stay in touch while avoiding attracting the attention of predators, a study suggests.

    By Carolyn Wilke
  2. Paleontology

    An ancient bird found encased in amber had a bizarrely long toe

    A 99-million-year-old fossil holds a bird with an oddly long toe, which might have helped the critter hook hard-to-reach dinners.

    By Carolyn Gramling
  3. Planetary Science

    Hayabusa2 may have just snagged bits of asteroid Ryugu’s insides

    In its second sampling attempt, Hayabusa2 became the first spacecraft to try to pick up some of an asteroid’s guts.

    By Lisa Grossman
  4. Neuroscience

    Both fish and humans have REM-like sleep

    Sleeping zebrafish have brain and body activity similar to snoozing mammals, suggesting that sleep evolved at least 450 million years ago.