A physicist, cosmologist and gifted science communicator, Sean Carroll is asking himself — and asking us to consider — questions that get at the fundamental nature of the universe.

Why you should listen

Sean Carroll is a theoretical physicist at Caltech in Pasadena, California, where he researches theoretical aspects of cosmology, field theory and gravitation -- exploring the nature of fundamental physics by studying the structure and evolution of the universe.

His book on cosmology and the arrow of time, From Eternity to Here: The Quest for the Ultimate Theory of Time, was published in 2010. He keeps a regular blog at Cosmic Variance.

What others say

“For anyone who ever wondered about the nature of time and how it influences our universe, [From Here to Eternity] is a must read. It is beautifully written, lucid, and deep.” — Kip Thorne

Sean M Carroll’s TED talk