In the seventy thousand years that modern human beings have walked this earth, we've come a long way. Art, science, culture, trade - on the evolutionary food chain, we're real winners. But, frankly, it's not exactly been plain sailing, and sometimes - just occasionally - we've managed to really, truly, quite unbelievably f**k things up. An exhilarating journey through the most creative and catastrophic f**ck ups in human history.