It's not always clear which one is the driver.

For asking questions about the height of the Himalayas, the height of Tibet, the height of the Andes, it's terrific. But if you go to small mountain ranges or small elevation differences, you're probably not going to be able to say much with confidence.

She's really nice and she understands students.

Some people had earlier argued that it took, 10, 20, 30 million years before you got enough heat production to limit that strength.

We will lost everything that matters, or everything that matters will lose us. It is predestined, the nature of life.

Oh, yes. Rings, lots of rings. I'm like really into this ring thing with big chunky rings.