HS-LS4-3

Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.

  1. Life

    Let’s learn about dogs

    From learning the names of their toys to sniffing out viruses in human sweat, dogs are far more than household pets.

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  2. Fossils

    An ancient hippo-sized reptile may have been a speedy beast

    An Anteosaurus was a hefty reptile with a large snout. Its fossil skull hints that it may have moved fast for its time.

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  3. Plants

    Scientists may have finally found how catnip repels insects

    The plant deters mosquitoes and fruit flies by triggering a chemical receptor that, in some animals, senses pain and itch.

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  4. Health & Medicine

    Bringing COVID-19 vaccines to much of world is hard

    The price of not vaccinating nearly everyone across the world could be a longer pandemic and more troubling variants of the new coronavirus.

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  5. Health & Medicine

    Some young adults will volunteer to get COVID-19 for science

    Researchers will soon give some healthy people the new coronavirus. Their young volunteers have agreed to get sick to speed coronavirus research.

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  6. Animals

    How do you build a centaur?

    A centaur has the torso of a human and the body of a horse. It may sound cool, but it wouldn’t work very well.

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  7. Genetics

    Scientists Say: Evolution

    Evolution is how species change over time. Individuals in the group vary, and some will pass on their genes. Over time, the whole species changes.

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  8. Animals

    Attack of the inner-cannibal mega-shark

    The outsized megalodon was a fierce terror that chewed its way across the oceans. It learned to kill even before it was born.

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  9. Genetics

    Gene editing can alter body fat and may fight diabetes

    Researchers have long dreamed of using brown fat to fight obesity and diabetes. Work in animals shows they’re closing in on achieving that dream.

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  10. Health & Medicine

    Some Neandertal genes may up the risk of severe COVID-19

    Most of the affected people descend from communities in South Asia or live in Europe today.

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  11. 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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  12. Animals

    Analyze This: Hurricanes may help lizards evolve better grips

    Lizards have larger toepads in areas that tend to have higher hurricane activity. This suggests high winds select for those that can hang tight.

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