HS-LS2-8

Evaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.

  1. Health & Medicine

    Explainer: What should I know about HIV and AIDS?

    Here are some common myths and some less common facts.

    By Bryn Nelson
  2. Chemistry

    A plant enemy’s enemy

    Plants use chemicals to recruit help in fighting off pests.

    By Jill Richardson
  3. Animals

    An elephant’s “aha!” moment

    A young elephant named Kandula passes a tricky test.

    By Stephen Ornes
  4. Animals

    Dolphin dimples detect electricity

    Depressions in a dolphin’s snout sense electric fields, may help find dinner.

    By Stephen Ornes
  5. Animals

    The little lizards that could

    Lizards aren’t known for their smarts, but maybe they should be.

    By Stephen Ornes
  6. Animals

    An enemy in the cave

    Bats under attack from a fungus send scientists searching for clues to solve a deadly mystery.

    By Amanda Leigh Mascarelli
  7. Health & Medicine

    Microbes in the music

    A new study finds germs linger on musical instruments.

    By Stephen Ornes

  8. Kids’ ingenuity honored at Intel ISEF

    Young scientists receive awards in international competition.

    By Laura Sanders
  9. Animals

    Ants aweigh!

    In a flood, fire ants cling together to keep afloat.

    By Stephen Ornes
  10. Animals

    There’s no ‘i’ in elephant

    These clever mammals may know when two trunks are better than one.

    By Stephen Ornes
  11. Animals

    Doing the Bob

    A crane's jerky neck movements may allow the bird to see its food more clearly.

    By Emily Sohn
  12. Animals

    A microbe nanny for young wasps

    A smear of bacteria helps baby wasps survive infancy.

    By Emily Sohn