Heredity: Inheritance and Variation of Traits

  1. Plants

    A genetic trick leaves these stinky plants reeking of rotting flesh

    This DNA tweak in plants harnesses the same molecule behind our bad breath and transforms it into something worse: the stink of rotting flesh or dung.

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  2. Animals

    The rear end of this ancient wasp was built like a Venus flytrap

    The newfound wasp species — from 99 million years ago — likely laid eggs on the small creatures that would have been caught in this trap.

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  3. Health & Medicine

    9 things to know about lead’s health risks — and how to curb them

    Lead has been linked to lower IQ, behavior problems, mental-health disorders, strokes and more health impacts. There are ways to reduce your exposure.

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  4. Animals

    Paw-print DNA lets scientists track out-of-sight polar bears

    This environmental DNA can aid in conserving species that are hard or dangerous to observe.

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  5. Animals

    Here’s how kingfishers avoid concussions during high-speed dives

    Understanding the genetic adaptations that protect the birds’ brains as they dive might one day offer clues to protecting human brains.

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  6. Archaeology

    Iron Age grave in England points to a possible woman warrior

    The grave holds a sword. It hints the buried woman fought or helped plan raids some 2,000 years ago in what’s now southwest England.

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  7. Plants

    Scientists Say: Fertilize

    This word describes both a stage of sexual reproduction and the agricultural practice of adding nutrients to soil.

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  8. Life

    Scientists Say: Mycelium

    These fibrous networks are the reason plants think fungi are such "fun guys.”

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  9. Animals

    Explainer: What is animal domestication?

    The difference between a dog and a wolf isn’t looks or genes or even behavior. It’s the relationship these animals have with people.

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  10. Genetics

    Experiment: Are fingerprint patterns inherited?

    Let’s investigate whether fingerprint patterns are created randomly or whether they are influenced by genetics.

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  11. Animals

    This biologist uses microwave radiation to save endangered species

    Pei-Chih Lee works to preserve genetic material that can help researchers learn more about endangered animals, such as pandas and clouded leopards.

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  12. These lemurs take nose-picking to a new level

    A nose-picking aye-aye’s spindly middle digit probably pokes all the way into the back of the throat, CT scans show.

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