Emus are big, fluffy, flightless birds found only in Australia. They are also the biggest dufuses in the animal kingdom, and are constantly getting themselves caught up in all sorts of tomfoolery, which is documented in obscure subreddits. Now, Australian researchers at Monash University might have found another reason to love these giant goofballs - a gene that appears to control their wing development may one day help humans born with limb abnormalities.