Sean B. Carroll Audio & Video

In recent years, scientists have discovered that 95% of the contents of the cosmos are invisible to our current methods of direct detection. Yet something is holding galaxies and galaxy clusters together, and something else is causing space to fly apart.

For over a century, opening the black box of embryonic development was the holy grail of biology. Evo Devo--Evolutionary Developmental Biology--is the new science that has finally cracked open the box.

A rising star in theoretical physics offers his awesome vision of our universe and beyond, all beginning with a simple question: Why does time move forward?

DNA evidence not only solves crimes---in Sean Carroll's hands it will now end the Evolution Wars.

Sean Carroll will talk about the nature of time, the origin of entropy, and how what happened before the Big Bang may be responsible for the arrow of time we observe today.

Just 150 years ago, most of our world was an unexplored wilderness. Our sense of its age was vastly off the mark.