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  1. Animals

    Why mosquitoes are especially good at smelling you

    How Aedes aegypti mosquitoes smell things is different from how most animals do, making hiding human odors from the insects more complicated.

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  2. Planetary Science

    Oort cloud comets may spin themselves to death

    How icy objects from the solar system’s fringe break up as they near the sun is a long-standing mystery. One astronomer now thinks he has an answer.

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  3. Health & Medicine

    The first known monkeypox infection in a pet dog hints at spillover risk

    A person passed monkeypox to a dog. Other animals might be next, allowing the virus to set up shop outside of Africa for the first time.