HS-LS2-8

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

  1. Life

    Even raised by people, wolves don’t tune into you like your dog

    Dog puppies outpace wolf pups at engaging with humans, even with less exposure to people, supporting the idea that domestication changed dogs’ brains.

    By
  2. Animals

    Some beetles walk along the underside of the water’s surface

    Their upside-down scurrying is a rare method of getting around.

    By
  3. Fossils

    Dinosaur families appear to have lived in the Arctic year-round

    Fossils of baby dinosaurs in northern Alaska challenge the idea that northern dinosaurs only spent their summers in the high Arctic.

    By
  4. Animals

    Spiders can take down and feast on surprisingly big snakes

    Snared in sticky webs and subdued by poison, even venomous snakes can become a spider’s soup.

    By
  5. Microbes

    Let’s learn about microbes

    There may be a billion species of microorganisms on Earth — but scientists have only discovered a small fraction of them.

    By
  6. Animals

    A bubble of air lets some lizards breathe underwater

    Anolis lizards leap into streams to escape danger. Now researchers have figured out how they can stay underwater for up to a quarter of an hour.

    By
  7. Plants

    These ferns may be first plants known to work together as ants do

    Staghorn ferns grow in massive colonies where individual plants contribute different jobs. This may make them “eusocial,” like ants or termites.

    By
  8. Animals

    Urchin mobs can literally dis-arm a predator

    Urchins are important herbivores — but not strict vegetarians. When hungry enough, they may even rip apart their predators for lunch.

    By
  9. Animals

    Let’s learn about whales and dolphins

    Whales, dolphins and porpoises are all cetaceans — mammals that live in water and have a streamlined body similar to a fish.

    By
  10. Health & Medicine

    Will we all need COVID-19 booster shots?

    Experts say not yet, but booster vaccines may be coming as new SARS-CoV-2 virus variants keep emerging.

    By
  11. Animals

    Common parasite may help mussels survive heat waves

    By whitening shells, the organism helps the shellfish stay cool on sunny days, a new study suggests.

    By
  12. Ecosystems

    Analyze This: Invasive species cost the world billions each year

    A new study estimates that invasive species have cost the world more than $1 trillion since 1970. That’s almost certainly an underestimate.

    By