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  1. Plants

    Why dandelion seeds are so good at spreading widely

    Individual seeds on a dandelion flower are programmed to let go for a specific wind direction, allowing them to spread widely as the wind shifts.

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  2. Health & Medicine

    Why daylight saving time just isn’t healthy, according to science

    Shifting daylight from morning to evening puts our bodies and brains out of sync with our clocks, leading to a host of potential health issues.

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  3. Readers ask about photon rings and more

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  4. Forever chemicals’ health risks are getting attention

    Editor in Chief Nancy Shute discusses the health dangers of PFAS chemicals with freelance journalist Melba Newsome.