Genetics

  1. Animals

    Meat-eating bees have something in common with vultures

    Flesh-eating bees have acid-producing gut bacteria, much as vultures do. It lets them safely snack on rotting meat.

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  2. Humans

    Genetics show humans likely trace back to Africa

    Our history began looking ever more complex once geneticists revealed our ancestors picked up new DNA as they traveled across time and continents.

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  3. Genetics

    Explainer: What is RNA?

    A partner to DNA, cells use this molecule to translate the instructions for making all of the many proteins that your body needs to function.

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  4. Animals

    Will the woolly mammoth return?

    Scientists are using genetic engineering and cloning to try to bring back extinct species or save endangered ones. Here’s how and why.

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  5. Animals

    Cloning boosts endangered black-footed ferrets

    A cloned ferret named Elizabeth Ann brings genetic diversity to a species that nearly went extinct in the 1980s.

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  6. Microbes

    Explainer: Virus variants and strains

    When viruses become more infectious or better able to survive the body’s immune system, they become a type of variant known as a strain.

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  7. Plants

    How Romanesco cauliflower grows spiraling fractal cones

    By tweaking just three genes in a common lab plant, scientists have mimicked one of nature’s most impressive mathematical patterns.

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  8. Genetics

    Just a tiny share of the DNA in us is unique to humans

    Some of these tweaks to DNA, however, may have played a role in brain evolution.

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  9. Genetics

    Europe’s ancient humans often hooked up with Neandertals

    DNA from ancient bones shows humans and Neandertals were regularly mixing genes by about 45,000 years ago.

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  10. Life

    These rabbits can’t hop. A gene defect makes them do handstands

    Mutations in a gene that helps nerve cells work properly rob rabbits of their ability to hop. Instead, the animals use their front paws to move.

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  11. Genetics

    Let’s learn about DNA

    DNA is made of two chemical chains twisted around each other. It stores information that allows cells to grow and function.

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  12. Life

    Scientists Say: Egg and sperm

    An egg or a sperm cell contains half of the normal genes an organism needs. They fuse together to form a new individual.

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