HS-LS3-2

Make and defend a claim based on evidence that inheritable genetic variations may result from: (1) new genetic combinations through meiosis, (2) viable errors occurring during replication, and/or (3) mutations caused by environmental factors.

  1. Health & Medicine

    Early details emerge about the new U.K. coronavirus variant

    The variant may spread more easily from person to person. That could make continuing to wear masks all the more important, experts say.

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  2. Health & Medicine

    When physicians and veterinarians team up, all species benefit

    When doctors for people and those for animals share their expertise, they can discover new ways to take better medical care of all species.

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  3. 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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  4. Space

    Surviving Mars missions will take planning and lots of innovation

    Astronauts that go to Mars will need protection from microgravity and radiation, plus mini-medical devices to diagnose problems and manage emergencies.

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  5. Plants

    The faster trees grow, the younger they die

    As climate change spurs forest tree growth, it also shortens trees’ lives. That results in a quicker release of climate-warming carbon back into the atmosphere.

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  6. 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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  7. Health & Medicine

    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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  8. Animals

    Why elephants and armadillos might easily get drunk

    Stories of drunken elephants may not be a myth. Differences in a gene for breaking down alcohol could explain how they get tipsy.

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  9. Health & Medicine

    How to find the next pandemic virus before it finds us

    Wild animals carry viruses that can sicken people. Monitoring those viral hosts that pose the greatest risk might help prevent a new pandemic.

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  10. Environment

    Decades-long project is linking our health to the environment

    Started in 1959, this California study is one of the oldest ongoing research projects in the world.

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  11. Genetics

    What would it take to make a unicorn?

    Onward’s dumpster-diving unicorns seem like an impossibility. But scientists have some ideas about how unicorns could become real.

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  12. Animals

    The many efforts to lick cat allergies

    Up to one in five people around the world may be allergic to cats. Science is coming to help their desire for kitty cuddles.

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