Letters to the Editor

  1. Readers react to rechargeable batteries and more

    Readers had questions about lithium-ion batteries.

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  2. Earth magnetic field illustration

    These are the most-read Science News stories of 2019

    From carbon nanotubes to vitamin D, Science News online readers had a wide variety of favorite stories on our website.

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  3. Readers question quantum mechanics and more

    Readers had questions about quantum computer and black holes.

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  4. Readers question carbon nanotube transistors and brain organoids

    Readers had questions about carbon nantoube transistors and brain organoids.

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  5. Readers ponder differences in polio vaccines and more

    Readers had questions about polio vaccines and more.

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  6. Readers question killer macros and spinning wheels

    Readers had questions about theoretical dark matter particles and textile archaeology.

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  7. Readers contemplate climate change and neural connections

    Readers had questions about neurons and carbon-absorbing algal blooms.

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  8. Readers ask about aging perceptions, coral reefs and more

    Readers had questions about aging perceptions, coral reefs, praying mantis vision and more.

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  9. Readers marvel over moon mementos and more

    Readers had questions about items left on the moon during the Apollo missions and more.

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  10. Readers respond to Lyme disease, fossil teeth and a Tesseract look-alike

    Readers had questions and comments on Lyme disease prevention, speciation, and a mysterious uranium cube.

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  11. Health & Medicine

    Readers inquire about measles, vaccine hesitancy and more

    Readers had questions about vaccine-hesitant parents, measles and DNA sequencing.

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  12. Planetary Science

    Readers wanted to know about asteroids, lithium batteries and more

    Readers had questions and comments about asteroids, lithium batteries, and pyroclastic flows.

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