Above: Stay away. Toxic sludge.
To be clear, the above is a serious, peer-reviewed paper, Dr. Golomb is a real professor and these are real results. The following is not, but it's very funny: Goading crocodiles every day 'makes you thinner'. Says one crocodile-goader: "'Either I'd had a bad day at work or had been dumped by some bastard and my immediate response would be to put on my PJs, grab a stick and poke a crocodile in the face.'"