Amazing science advances in 2012 that you may not have heard about

Science made a lot of breakthroughs this year, and you probably didn't hear about them all. Check out this article on Buzzfeed for 27 of them. Here are some of my favorites:

• Bionic Woman: They gave a woman a bionic arm that she controls with her mind, and apparently its primary purpose is to keep chocolate away from ravenous scientists, as evidenced in the photo above. This is straight-up Luke Skywalker stuff, people. Here's a whole article about it.
• Spray-on Skin: Imagine spraying something onto burn victims that will grow skin back over an entire area. The best part is, the material is grown from a sample of the person's own skin.
• James Cameron reaches the bottom of the ocean: Better he spends his time doing this than making another Avatar.
• Self-driving cars: They're now legal in 3 states. Want to place bets on if they'll get in more accidents than human drivers? No, because you would lose - it's impossible to get in more accidents than us.

Check out the article to see 23 more crazy things.