How often you poop can reveal important information about the internal processes going on in your body. Should you poop everyday? [istockphoto] When I was a teenager in boarding school, I had a ...

When I was living in Chicago, my landlady had a wonderful golden retriever that was incredibly friendly, smart and fun to play with - but he had one ridiculous habit: he liked to eat his own poop.

Today's episode promises to be CRAPPIER than ever - because we're talking about The Martian. That's no judgement on the movie, it's just that the film is ACTUALLY full of poop and poop science. But ...