Search Results for: biology

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10,000+ results
  1. Agriculture

    Mixing up root microbes can boost tea’s flavor

    Inoculating tea plant roots with nitrogen-metabolizing bacteria enhances synthesis of theanine, an amino acid that gives tea its savoriness.

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  2. Animals

    Male dragonflies’ wax coats might protect them against a warming climate

    The reflective wax, which cools males on sunny courtship flights, may also armor them against the effects of climate change.

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  3. Math

    Scientists find a naturally occurring molecule that forms a fractal

    The protein assembles itself into a repeating triangle pattern. The fractal seems to be an accident of evolution, scientists say.

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  4. Health & Medicine

    More than 1 billion people worldwide are now estimated to have obesity

    A new analysis suggests that the prevalence of obesity has doubled in women, tripled in men and quadrupled in children and adolescents from 1990 to 2022.

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  5. Paleontology

    The oldest known fossilized skin shows how life adapted to land

    The nearly 290 million-year-old cast belonged to a species of amniotes, four-legged vertebrates that today comprises all reptiles, birds and mammals.

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  6. Science & Society

    Geneticist Krystal Tsosie advocates for Indigenous data sovereignty

    A member of the Navajo Nation, she believes Indigenous geneticists have a big role to play in protecting and studying their own data.

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  7. Readers discuss tardigrades, poison dart frogs and more

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  8. Life

    Human cancer cells might slurp up bacteria-killing viruses for energy

    In the lab, human cancer cells show signs of cell growth after ingesting bacteria-killing viruses, a hint our cells might use bacteriophages as fuel.

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  9. Paleontology

    A rare 3-D tree fossil may be the earliest glimpse at a forest understory

    The 350-million-year-old tree, which was wider than it was tall thanks to a mop-top crown of 3-meter-long leaves, would look at home in a Dr. Seuss book.

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  10. Animals

    These bats are the only mammals known to mate more like birds

    Male serotine bats have penises too large for penetration. To mate, the animals rub their genitals against each other, somewhat like birds’ cloacal kiss.

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  11. Animals

    Daddy longlegs look like they have two eyes. That doesn’t count the hidden ones

    Despite its two-eyed appearance, Phalangium opilio has six peepers. The four optical remnants shed light on the arachnids’ evolutionary history.

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  12. Plants

    This first-of-its-kind palm plant flowers and fruits entirely underground

    Though rare, plants across 33 families are known for subterranean flowering or fruiting. This is the first example in a palm.

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