HS-LS4-1

Communicate scientific information that common ancestry and biological evolution are supported by multiple lines of empirical evidence.

  1. Animals

    When the giant ants went marching

    A new study of an ancient fossil suggests that 50 million years ago, supersized ants went on a cross-continental trek.

    By Stephen Ornes
  2. Animals

    Eating can be skin deep

    In the laboratory, bottom-dwelling hagfish absorb nutrients through the skin.

    By Stephen Ornes
  3. Health & Medicine

    Evolved to run

    Heel bones hint that humans could run farther than Neandertals.

    By Stephen Ornes
  4. Fossils

    Dino takeout for mammals

    Ancient mammals dined on young dinosaurs.

    By Emily Sohn
  5. Fossils

    Big fish in ancient waters

    Fossils have revealed an ancient, oversized relative of modern-day swordfish.

    By Emily Sohn
  6. Fossils

    Ancient critter caught shedding Its skin

    A fossil reveals that ancient animals shed their skin, just as insects and crustaceans do today.

    By Emily Sohn
  7. Fossils

    Dinosaurs grow up

    Learning how fast dinosaurs grew may help link birds to dinosaurs.

    By Emily Sohn