This week's mad scientist really is. You know him already as the guy who claimed to have cloned a human embryo for its stem cells but lied about key aspects of the work. He shows up again this week in SEED magazine's great feature, "I Can't Believe It's Science:" The disgraced stem-cell researcher is currently standing trial for fraud and embezzlement, and his latest testimony is particularly outrageous. Hwang had previously conceded that, in an effort to clone an extinct species, he collected mammoth... READ ON