Health & Fitness
This week on another rousing episode of "It's Only Science," Alison recounts the rich history of animals in space. Seriously, we've sent a lot of animals up there. Bill attempts some science stand-up. Nate takes us to the bottom of the ocean, where strange sounds travel to the deepest, darkest depths of the planet. And Carl asks a simple question, "Who determines when an organ in the body is an organ?" The answer is surprisingly complicated. And, thanks to the Boredom Bin, asphalt rears its ugly head...again.