Letters to the Editor

  1. Readers ask about black hole collisions, catnip and more

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  2. Readers react to million-year-old mammoths, parasitic plants and more

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  3. We revisit last year’s COVID-19 questions, readers weigh in on tuataras and more

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  4. Readers weigh in on brain technology, black holes and more

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  5. Readers react to cosmic smashups and tricky spacecraft landings

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  6. Readers react to the history of plate tectonics, pandas rolling in poop and more

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  7. Readers ask about shrinking toads, defining distance in an expanding universe and more

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  8. Readers ask about malaria parasites, searching for alien intelligence and more

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  9. Readers ask about Cuvier’s beaked whales, microbes in the atmosphere and more

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  10. room temperature superconductor

    These are the most-read Science News stories of 2020

    From 'murder hornets' to the physics of Notre Dame's construction, Science News online readers had a wide variety of favorite stories on our website.

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  11. Readers ask about life on Venus and high-energy cosmic rays

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  12. Readers ask about buoyancy, Stonehenge sounds and more

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