Letters to the Editor

  1. Readers discuss ancient plagues and a fern’s leaf revival

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  2. Readers discuss tardigrades, poison dart frogs and more

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  3. Readers discuss cholesterol treatments and AI

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  4. Readers discuss quantum gravity and more

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  5. Readers discuss grassland conservation and a hummingbird flight trick

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  6. Readers discuss marathoners’ myelin, menopausal chimps and more

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  7. Readers react to neutron imaging and the expanding definition of loneliness

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  8. Science & Society

    These are the most popular Science News stories of 2023

    Science News drew over 21 million visitors to our website this year. Here’s a look back at the most-read and most-watched stories of 2023.

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  9. Readers react to mysterious protists, bird brains, more

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  10. Readers discuss Indigenous healing, an experimental depression treatment and more

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  11. Readers discuss cutting cake and more

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  12. Readers discuss lucid dreaming and sports supplements

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