Letters to the Editor
- Science & Society
Quantum spookiness, magnetic mysteries and more feedback
Letters and comments from readers on quantum spookiness, Earth's magnetic field, and more.
- Physics
Pentaquarks, locked-in syndrome and more reader feedback
Readers discuss pentaquark sightings, delightful diatoms and whether an ancient four-legged fossil was actually a snake.
- Cosmology
Complexity in the universe, hidden craters and more reader feedback
Readers discuss order and disorder in the universe, the languages of science communication and more.
- Anthropology
Immortality and more in reader feedback
This week in reader feedback: Immortality and tracing ancient humans.
- Humans
Moon bounces, bad spider leaders and more reader feedback
Readers debate faith's role in evolution, compare politicians to spiders and more.
- Astronomy
Lucy’s new neighbor, downloading New Horizon’s data and more reader feedback
Readers discuss why Pluto's data will take so long to get to Earth, the role the cerebellum plays in creative thinking and more.
- Neuroscience
Global warming unpaused, how space affects the brain and more reader feedback
A reader shares a story about Stephen Jay Gould, while others discuss how to protect the brain from radiation in space and whether 2014 was the hottest year on record.
- Earth
Bringing mammoths back, life on early Earth and more reader feedback
Readers debate the pros and cons of reviving extinct species, discuss the odd light-processing machinery of the eye and more.
- Life
Puzzling cosmic signals, processed food defined and more reader feedback
Readers sort out a definition for processed food, discuss the benefits of tinkering with human DNA and more.
- Planetary Science
Water’s origin story, science and sci-fi and more reader feedback
Readers discuss how Earth got its water, chat about a hot spot's violent past and more.
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- Paleontology
Suds versus nanoparticles and more reader feedback
Readers discuss the posture of an ancient reptile and why washing machines and nanoparticles don't mix.
