HS-LS2-8

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

  1. Ecosystems

    ‘Vampire’ parasite challenges the definition of a plant

    Langsdorffia are stripped down to their essentials. Lacking green leaves for photosynthesis, they steal energy and nutrients from other plants.

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  2. Chemistry

    Stinky success: Scientists identify the chemistry of B.O.

    They turned up the enzyme in bacteria behind that underarm stench. Understanding how it works could pave the way to new types of deodorant.

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  3. Animals

    Quacks and toots help young honeybee queens avoid deadly duels

    It’s not just ducks that quack. Honey bees do it too. They also toot. Researchers eavesdropped on hives to find out why.

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  4. Animals

    A single chemical may draw lonely locusts into a hungry swarm

    Swarms of locusts can destroy crops. Scientists have discovered a chemical that might make locusts come together in huge hungry swarms.

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  5. Animals

    Some beetles can be eaten by a frog, then walk out the other end

    After being eaten by a frog, some water beetles can scurry through the digestive tract and emerge on the other side — alive and well.

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  6. Archaeology

    Women like Mulan didn’t need to go to war in disguise

    Female skeletons in Mongolia show injuries like those of fighting men — evidence that they could be warriors, too.

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  7. Animals

    Are coyotes moving into your neighborhood?

    How do coyotes survive in New York City, Los Angeles and Chicago? Researchers and citizen scientists are working together to find answers.

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  8. Microbes

    Some deep-seafloor microbes still alive after 100 million years!

    Some starving microbes nap while awaiting their next meal. For some living miles below the ocean surface, that nap may exceed 100 million years.

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  9. Animals

    Busy beavers may be speeding thaw of Arctic permafrost

    As climate change continues, busy beavers are expanding their range in Alaska. Their dams could further speed the loss of permafrost there and promote local warming.

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  10. Brain

    Puberty may reboot the brain and behaviors

    Facing adversity early in life can hurt how children learn to deal with stress. Puberty can sometimes offer a chance to reset how the body responds to stress, returning it to normal.

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  11. Genetics

    A Hong Kong man got the new coronavirus twice

    His is the first confirmed case of reinfection with this virus. His second bout was detected by accident, because he showed no symptoms.

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  12. Animals

    Viral scents? Dogs sniff out coronavirus in human sweat

    Researchers train dogs to sniff out COVID-19. In the United Arab Emirates, sniffer dogs have already begun identifying infected passengers at airports.

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