Next up, opposable thumbs...

[William Grim]

... and when it happens, "IT'S ON!"

Among Dolphins, Tool-Using Handymen Are Women.  You'll need a WSJ account to view it, but I hear that if you change your referrer to Google, you can pass freely.  Supposedly bugmenot.com can also get you through, but I haven't tried it.

[Bryan]

awesome article, and I didn't even need an account or anything.