HS-LS2-8

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

  1. Animals

    Elephants appear to be super sniffers

    Elephants are not only massive, but also possess the most odor-detecting genes of any animal known, new research shows.

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  2. Animals

    Bugs may have made us brainy

    Finding and eating bugs when other food was scarce helped primates — including our ancestors — evolve bigger and better brains. At least that’s the conclusion of a new study in Costa Rica.

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  3. Microbes

    Superbugs: A silent health emergency

    Have antibiotics become too popular? Overusing these medicines fuels resistant germs that pose a global health threat.

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  4. Animals

    Cool Jobs: A whale of a time

    Studying blue whales, spinner dolphins and other cetaceans demands clever ways to unveil the out-of-sight behaviors of these marine denizens.

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  5. Animals

    Stalking squirrels for science

    A scientist noticed the squirrels in his family’s town, and began studying them. His results show why squirrels are such good city dwellers, and prove that science is right outside your door.

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  6. Animals

    A library of tweets (and howls and grunts)

    The Macaulay Library houses a world of animal sounds. And now anyone with an Internet connection can check out this audio collection.

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  7. Animals

    Decoding bee dances

    Biologists have started eavesdropping on bees — or their dancing sign language — to identify where these buzzers prefer to forage. This info is pointing to which bee-friendly habitats may be most important to preserve.

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  8. Microbes

    Convincing bacteria they’re alone

    Caffeine may be the trick to confusing some bacteria into thinking they’ve not yet summoned enough troops to launch a successful attack on their host. It could prove an alternative to antibiotics for certain infections.

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  9. Animals

    Mite-y discoveries!

    Two teens from Russia discovered tiny mites living inside grass-like plants called rushes. Three of the species they turned up are new to science.

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  10. Animals

    Move over cheetah: Mite sets new speed record

    A super-speedy species sprints faster than any other land animal — for its size, a new study finds. Scientists may someday tap this tiny mite’s technique to create robots and other devices that zip around at sensational speeds!

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  11. Animals

    Don’t mess with a frustrated fish

    When a trout doesn't get the snack it expected, look out. These fish get aggressive. Sometimes they can defeat even bigger fish.

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  12. Health & Medicine

    Infected cutting boards

    Germs can hitchhike into the kitchen on meat and many types of produce. A new study finds that some of those germs are particularly nasty. They are immune to the one or more of the drugs doctors would prescribe to wipe out the infection.

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