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  1. Environment

    Heat waves cause more illness and death in U.S. cities with fewer trees

    There are usually fewer trees in neighborhoods with higher populations of people of color. Planting trees could save hundreds of lives every year.

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  2. Science & Society

    Your last-minute guide to the 2024 total solar eclipse

    From getting eclipse glasses to checking your weather, we’ve got you covered to help you enjoy this incredible solar eclipse.

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  3. How Ötzi the Iceman really got his tattoos

    Modern tattooing experiments challenge a popular idea about how the roughly 5,200-year-old mummified man got marked with dark lines.

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  4. Chemistry

    Protein whisperer Oluwatoyin Asojo fights neglected diseases

    Oluwatoyin Asojo’s work on hookworm protein structures have contributed to a vaccine being tested in people.