We find a small park not far from the central station of Leiden that has one small building on it, standing next to the shore of a small lake. Most people would not give the place a second glance, but an interesting story is tied to it, as this was once the retirement home of the world’s first transgenic animal. Stier Herman (Herman the Bull) was the result of a 1990 Dutch experiment. A total of 1,154 cow egg cells were fertilized and then genetically modified. Of those cells, 981…
