"Some people specialize in researching dinosaur footprints, and some specialize in researching eggs. I'm a generalist. I even research dinosaur dung," he says in all seriousness. Dinosaur teeth and dinosaur feces are also fields of erudition, which can shed light on whether certain dinosaurs were vegetarian or carnivorous, or what diseases they might have contracted.
「有人專門研究恐龍腳印，有人專門研究蛋，我是雜門，大便也研究」，他認真地說，恐龍牙齒、排洩物也是門學問，可以研究出是吃素、或肉食恐龍，有沒有生過什麼病。