The show counts down the seven most likely ways in which human life could end, including gamma-ray bursts (GRBs), black holes, AI takeover, supervolcanoes, asteroids, nuclear warfare (atomic warfare), plague, and climate change (global warming). It includes input from a number of scientists including Michio Kaku, Neil deGrasse Tyson, Stephen Hawking and Kevin Warwick. In 2007 it received an Emmy nomination for its graphic and artistic design.[5]