Heredity: Inheritance and Variation of Traits

  1. Agriculture

    New gene resists our last-ditch drug

    Antibiotic resistance continues to grow. Now, scientists have found a tiny loop of DNA that resists a drug doctors use as a last line of defense.

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  2. Plants

    Banana threat: Attack of the clones

    Researchers find that disease-causing fungi — all clones of one another — will continue to infect banana plants unless new steps are taken to stop their spread.

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  3. Humans

    News Brief: Ancient teeth point to Neandertal relatives

    New analyses of some teeth found in Siberia indicate that Neandertal cousins known as Denisovans lived there for at least 60,000 years. That would have had them around the same place as modern humans — and at nearly the same time.

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  4. Genetics

    Gene editing creates buff beagles

    Scientists showed that a potentially useful new gene-editing tool can work in dogs. It created a pair of adorable, muscular puppies. But the goal is to use it for other research purposes.

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  5. Chemistry

    Trio gets chemistry Nobel for figuring out DNA repair

    Three researchers have won the 2015 Nobel Prize in chemistry for working out how cells fix damaged genetic material.

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  6. Health & Medicine

    Cool Jobs: Finding foods for the future

    What's for dinner... tomorrow? Scientists are developing new foods to meet the demands of the growing population in a changing world.

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  7. Health & Medicine

    New treatments may rally ex-president’s fight against cancer

    Former President Jimmy Carter has a potentially lethal type of skin cancer that has already spread to his liver and brain. Recent improvements in medicine may help him fight it.

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  8. Health & Medicine

    Chikungunya wings its way north — on mosquitoes

    A mosquito-borne virus once found only in the tropics has adapted to survive in mosquitoes in cooler places, such as Europe and North America.

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  9. Genetics

    DNA: Our ancient ancestors had lots more

    Ancestral humans and their extinct relatives had much more DNA than do people today, a new study finds. It mapped genetic differences over time among 125 different human groups.

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  10. Brain

    Explainer: Sometimes the body mixes up male and female

    Certain medical conditions demonstrate how complicated biology can be. Being genetically male and female will not guarantee that your body won’t sometimes contain one or more features of both.

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  11. Health & Medicine

    New ways to fight the flu

    Influenza sickens millions each year. A worldwide epidemic could kill many of them. Fortunately, new ways to fight the flu offer hope — before it’s too late.

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  12. Microbes

    The bugs within us

    Hordes of bacteria live inside people and other animals. This ‘microbiome’ can affect the development of the blood-brain barrier, food choices — even mating.

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