Why is there something rather than nothing? Why does so much interesting stuff exist in the universe?

Particle physicist Harry Cliff works on the Large Hadron Collider at CERN, and he has some potentially bad news for people who seek answers to these questions.

Despite the best efforts of scientists (and the help of the biggest machine on the planet), we may never be able to explain all the weird features of nature. Is this the end of physics?

Learn more in this fascinating talk about the latest research into the secret structure of the universe.

TEDTalks is a daily video podcast of 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 much more.