Incredibly rare wild footage of the goblin shark, a deep-sea creature capable of protruding its jaw in order to snag a bite. The skin is pinkish because of its translucence. But my favorite factoid about the shark is that its liver occupies 25 percent of its mass, and nobody knows why.

This video makes the Good Times cry.

I don't know about anyone else, but the hands-free cell phone law still has me flummoxed. My car trips have felt so much less productive since I can no longer make phone calls (saving up for that Bluetooth). Amusingly, I've noticed that, in order to avoid a ticket, more people are attempting to text message with their phone on their lap. Even more amusingly, Skyler Stone has discovered that the law can lead to more productivity, not less.

When most people sing along to the classic Danny Elfman Batman theme song, they go something like, "Buh nuh nuh nah nah!" Andrew Goldenberg goes three steps further. He wrote lyrics, bought costumes, and filmed himself performing a brilliant narrative of this and other classic blockbuster scores. While the "Indiana Jones" one is fairly awesome (I always just sang "Indiana! Jo-ho-hones! Indiana! India-na-Jones!"), it's National Batman Day, so here you go: