Jump forward to 2013, when last month Italian surgeon Sergio Canavero said that we have at last figured out that issue of connecting the spinal cord. The head transplant is now feasible, said Canavero, and he has a project called HEAVEN that's going to do it.
Known as the South American Goliath birdeater (Theraphosa blondi), the colossal arachnid is the world's largest spider, according to Guinness World Records. Its leg span can reach up to a foot (30 centimeters), or about the size of "a child's forearm," with a body the size of "a large fist," Naskrecki told Live Science. And the spider can weigh more than 6 oz. (170 grams) — about as much as a young puppy, the scientist wrote on his blog.