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What do teachers need this school year? Laura McClure from TED-ED resolved to find out.

A look at the enduring appeal of coloring books.

Researchers recently reported that they were able to edit human embryos to fix a dangerous mutation. The technology is inching closer to reality, so we need to take a stand, says biochemist Jennifer Doudna.

While it can result in tremendous good, empathy is also narrow, biased and surprisingly insensitive, suggests psychology professor Paul Bloom.

In the future, how will we define meat?

Can you guess how well someone fights just by looking at his face? Psychologist Ben Ambridge uses quizzes, puzzles and experiments to help improve our understanding of psychology. Here, he shares three of his favorites.

Author of the book Animal Madness, TED Fellow Laurel Braitman shares 5 ways in which animals and humans suffer from similar mental illnesses. Anthropomorphism run amok? You decide.

Why does love end — and why does it hurt so darn much? We can take a bit of creature comfort in knowing that other animals seem to suffer, too, says writer Mandy Len Catron.

Hubble’s photo editor, Zoltan Levay, explains how he captures the invisible colors of the cosmos.

By raising questions and taking on a more active role in decision making, patients can do their part to avoid needless medications, tests, treatments or procedures, says neurosurgeon Christer Mjåset.