Humanity has changed a lot since the days of our ancestral species, and we have continued evolution to look forward to as well.

Hank talks about ancient sexy times, and how we know that early humans were getting it on with all kinds of folks.

Lice... the mere mention of them is enough to make most people all itchy. Well, get ready to get scratching, because we've compiled seven squirm-inducing lice facts on this week's List Show!