Life

  1. Animals

    The scent of queen ‘murder hornets’ can lure males into traps

    Traps baited with compounds found in the mating pheromone of hornet queens attracted thousands of males.

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  2. Microbes

    Kitchen sponges are bacteria’s dream home

    Sponges are favorite spots for bacteria, partly because of the mixed-housing environment that the cleaner-uppers offer microbes.

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  3. Chemistry

    Scientists Say: Inorganic

    Inorganic molecules include salts, minerals and other compounds that lack organics’ carbon-hydrogen bonds.

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  4. Animals

    Surprise! Sixteen tiny wasp species found masquerading as one

    Scientists used new and old tools to overturn 160-year-old ideas about this wasp. They show you can’t tell a wasp by its looks.

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  5. Fossils

    One of the earliest meat-eating mammals was saber-toothed

    Millions of years before the evolution of saber-toothed cats, a newly discovered "hypercarnivore" prowled the forests of what is now San Diego.

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  6. Animals

    Mosquitoes see red, which may be why they find us so appealing

    Mosquitoes not only see colors, but also prefer certain ones, such as the hues of human skin.

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  7. Tech

    Robots made of cells blur the line between creature and machine

    Scientists are using living cells and tissue as building blocks to make robots. These new machines challenge ideas about robots and life itself.

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  8. Health & Medicine

    Sickle-cell gene therapies offer hope — and challenges

    Doctor Erica Esrick discusses existing treatments and an ongoing clinical trial for a gene therapy to treat sickle cell disease.

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  9. Health & Medicine

    Explainer: What is sickle cell disease?

    Gene mutations can alter an individual’s hemoglobin in ways that curl their blood cells. This can cause painful sickle cell disease.

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  10. Animals

    The end of the dinosaurs appears to have come in springtime

    Fish fossils from North Dakota suggest when the Chicxulub asteroid devastated Earth, triggering the mass extinction of dinosaurs and other species.

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  11. Health & Medicine

    Explainer: The body’s immune system

    An army of cells — and their protein arsenal — work to keep us safe. Several squads of special forces possess unique superpowers to disable or kill intruders.

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  12. Humans

    Is the sky really blue? It depends on what language you speak

    English speakers talk about color a lot but rarely about smell. Researchers are learning how those who speak other languages sense the world and why differences arise.

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