What are you doing? Why are you concerning yourself with the meaning of meaning?

One of the most significant events in our distant past is still perhaps the greatest mystery: the origins of life itself.

I didn't even know there were stars to look at to not see. If you don't know that they're there, you don't know that you're missing them.

Pretending to know everything closes the door to finding out what's really there.

My goal is not to shove information into your head. It's to find ways to reignite the curiosity that we all had as children for the natural world. You don't have to tell a child to explore the backyard.

We already know the limits of Einstein's theories. From the centers of black holes at the very beginning of the universe - we call these singularities - Einstein's equations fail. In fact, people have joked that's where God is dividing by zero.

Thomas Jefferson basically secularized Jesus.