Some biological structures are so small that scientists can’t see them with even the most powerful microscopes. That’s where molecular animator and TED Fellow Janet Iwasa gets creative. Explore vast, unseen molecular worlds as she shares mesmerizing animations that imagine how they might work.

The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. You’re welcome to link to or embed these videos, forward them to others and share these ideas with people you know