The 10 most bizarre TED Talks

People have watched the 2,100 TED Talks available online more than one billion times, exploring cutting edge insights from the worlds of technology, entertainment, and design.

There are presentations that are moving, hilarious, and profound. But some are enthralling mainly because of how strange they are.

We've picked some of the quirkiest, most ridiculous talks, from one about a self-proclaimed cyborg to another about a woman whose contribution to the field of wearable technology is a hat that lets you talk to yourself by channeling your voice into your ears.

Alison Griswold contributed to a previous version of this post.