Letters to the Editor

Animals

Readers weigh in on mathematical animals and more

Animal math, dinosaur digestion and more in reader feedback from our December 10, 2017, issue.

Paleontology

Readers weigh in on dinos, dark matter and more

Ancient bird calls, the search for dark matter and more in reader feedback.

Oceans

Readers contemplate corals and more

Coral engineering, ancient almanacs and more in reader feedback.

Anthropology

Readers ponder hominid hookups and more

Neandertal evolution, quantum internet and more in reader feedback.

Science & Society

Readers respond to the SN 10, and awards for Science News

The human side of science, cool cloth and more in reader feedback.

Astronomy

Readers unimpressed by Earth’s newest neighbor

Exoplanet fatigue, runaway fish and more in reader feedback.

Genetics

Readers question the biology of alcoholism and more

Alcoholism-linked genes, making better corneas and more in reader feedback.

Physics

A metallic odyssey, what’s causing sunspots and more reader feedback

Metallic hydrogen, sunspot formation, salty desalination leftovers and more in reader feedback.

Cosmology

A cosmic quandary, risks of hatching early and more reader feedback

The cosmos, tadpole escape artists, vehicle collisions and more in reader feedback.

Health & Medicine

Readers contemplate aging research

Aging research, dino guts and Earth's quasisatellite in reader feedback.

Tech

Readers respond to terrorism’s roots

Readers respond to the July 9, 2016, issue of Science News with questions on terrorism, dog evolution and more.

Earth

General relativity has readers feeling upside down

Readers respond to the June 25, 2016, issue of Science News with questions on Earth's age, moaning whales, plate tectonics and more.