HS-LS2-8

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

  1. Animals

    This bird nest becomes a ‘fortress’ using antibird spikes

    The spikes were meant to keep birds away. But five nests found in Europe may use the bird deterrents for structure and to scare off predators.

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  2. Fossils

    This bizarre ancient predator snagged soft prey

    Scientists are rethinking how this extinct creature used the spiky limbs sticking out of its face to hunt.

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  3. Animals

    Bottlenose dolphin moms baby talk when their calves are near

    Around their babies, bottlenose dolphin moms whistle with higher pitches. It’s similar to human parents speaking in baby talk.

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  4. Ecosystems

    Scientists Say: Predator and Prey

    Ecological relationships between predators and their prey drive the evolution of plants, animals and microbes.

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  5. Animals

    Scientists Say: Coral

    Over 4,000 species of fish make their home among the reefs created by these colony-dwelling marine animals.

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  6. Health & Medicine

    New patch might replace some finger-prick testing of blood sugar

    A finalist at Regeneron ISEF created a wearable patch that turns yellow when someone’s blood-sugar level gets high enough to need an insulin shot.

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  7. Animals

    People and animals sometimes team up to hunt for food

    Dolphins working with people to catch fish recently made a big splash. But humans have a long history of cooperating with other animals.

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  8. Animals

    Pokémon ‘evolution’ looks more like metamorphosis

    Pokémon “evolve” into larger, more powerful forms within seconds, but this evolution more closely resembles another biological process — metamorphosis. 

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  9. Animals

    Sleeping glass frogs go into stealth mode by hiding red blood cells

    Glass frogs snoozing among leaves blend in by hiding almost all their red blood cells in their liver.

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  10. Animals

    Analyze This: Puppies naturally mimic human actions

    Unlike cats, whose ancestors hunted alone, dogs evolved from a species that hunted in packs. Being social might explain why pups copy humans.

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  11. Animals

    This biologist uses microwave radiation to save endangered species

    Pei-Chih Lee works to preserve genetic material that can help researchers learn more about endangered animals, such as pandas and clouded leopards.

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  12. Animals

    Random hops always bring jumping beans to shade — eventually

    It’s not fast, but jumping beans use randomness to maximize their chances of getting out of the sun’s heat.

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