Artificial intelligence is powerful, but what about natural intelligence? This hour, TED speakers explore the intrinsic genius in animal language, insect behavior, plant anatomy and our immune system.

Our brains are magnificently complex - and highly fallible. This hour, neuroscientist and novelist Lisa Genova explains how to keep our brains healthy and what to do when something goes wrong. This ...

Author Susan Cain, a self-described introvert, accepted an invitation to do what she feared — give a TED talk. Although she was anxious on the big day, she got through it and wowed the audience.

All the bold ideas, inventions and perspectives of the beloved TED Talks conference and video series, plus special follow-up interviews with the people behind them.