Kip Thorne

As early as I can remember, I wanted to be a snowplow driver. When you grow up in the Rocky Mountains, like I did, you see the snow drifts piled up six feet high, and you're two feet, so it's impressive.

A black hole really is an object with very rich structure, just like Earth has a rich structure of mountains, valleys, oceans, and so forth. Its warped space whirls around the central singularity like air in a tornado.

Did you know that nearly one in three children live apart from their biological dads? Those kids are two to three times more likely to grow up in poverty, to suffer in school, and to have health and behavioral problems.