lie? jenna: i'm totally unbiased. thank you, rick. onwards to football season. jon: a new mystery unfolding on the moon. scientists recently discovered a rare set of dormant volcanos on the far side of the poop -- moon. this find is changing the shape of the lunar surface and lunar science as we've known it up until now. bill new york, the science guy, joins us. volcanos on the moon, they're not erupting, right? >> no, they're not erupting. it's been billions of years. jon: all right. so why does this discovery have scientists so excited? >> because it means that the moon was more active than people thought. everybody figures right now that the moon was hit by something about four and a half billion years ago, and there was an ocean of molten lava covering the entire surface. it's, like, spooky. but everything cooled off, you got a lot of lunar-style