Heredity: Inheritance and Variation of Traits

  1. Health & Medicine

    Analyze This: Zika and microcephaly

    Data from pregnant women with Zika in Colombia helped scientists probe whether Zika causes birth defects.

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  2. Science & Society

    Fossils point to Neandertal diets — and medicine use

    Whether Neandertals were largely meat-eaters or vegans depended on their environment, fossils now suggest. Their teeth also indicate they used natural medicines.

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  3. Genetics

    How to make a ‘three-parent’ baby

    Scientists combined an egg, sperm and some donor DNA: The end result: what appears to be healthy babies.

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  4. Genetics

    Explainer: How PCR works

    The polymerase chain reaction, or PCR, is like a DNA-copying machine. It duplicates genetic material over and over. Here’s how.

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  5. Genetics

    Scientists find genes that make some kids’ hair uncombable

    Scientists have pinpointed three genes that cause ‘uncombable hair syndrome’ in some kids.

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  6. Agriculture

    World’s tallest corn towers nearly 14 meters

    Short nights and a genetic tweak helped novel corn reach record heights.

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  7. Brain

    Zika birth defects: Concerns spread from head to toe

    Zika infections may trigger problems well beyond babies born with small heads and brains. Scientists have begun linking a range of head-to-toe health ails to the virus.

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  8. Animals

    Creative ways to help coral reefs recover

    Coral reefs are under siege from threats ranging from climate change to explosives. But scientists are developing ways to rebuild reefs before they disappear.

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  9. Animals

    Tasmanian devils begin to resist infectious cancer

    A deadly contagious cancer is spreading among Tasmanian devils. But the animals are evolving resistance, a new study finds.

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  10. Life

    Scientists watch germs evolve into superbugs

    To study how bacteria can evolve resistance to a wide variety of drugs, scientists spread the germs on a food-filled plate the size of a foosball table. Then, they watched resistance rise.

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  11. Agriculture

    Bananas under attack: Understanding their foes

    Fungal blights threaten the world’s most popular fruit. But genetic studies hint at new ways to combat some of these diseases.

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  12. Health & Medicine

    Grandparents’ diet could be a weighty issue for grandkids

    Australian scientists have found that fat mice can pass on a heightened risk of obesity to their sons and grandsons.

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