Day 10 (its almost Christmas)
"Why are There Still Monkeys?"
Cofty: Day 7 "Why do Men Have Nipples?"
Clearly, it's so my wife can play with them. Is this even a question?!?
They do good work. I'm subscribed to their YouTube channel.
I'd recommend Sixty Symbols as well if you haven't already run across them.
Their presentation isn't nearly as polished, basically just a guy with a camera running around the physics department in Nottingham, but they've been putting out great informational videos for years.