Letters to the Editor

Anthropology

Readers ponder children’s pretend play, planetary dust storms and more

Readers had questions about children’s fantasy play, lasers creating 3-D images and dust storms on Mars.

Neuroscience

Readers muse about memory, magnetic monopoles and more

Readers had questions about the physical trace of memory, magnetic monopoles, blowflies and more.

Planetary Science

Readers weigh in on human gene editing and more

Readers debated feeling morally obligated to edit their kid's genes and had questions about exoplanets.

Astronomy

Readers ask about supernovas, dark energy and more

Readers had questions about a supernova that continuously erupts, the difference between dark energy and dark matter, and more.