Proposes a minute-by-minute chronology of the Chicxulub impact and its effect on the dinosaurs and other animals around the world.Proposes a minute-by-minute chronology of the Chicxulub impact and its effect on the dinosaurs and other animals around the world.Proposes a minute-by-minute chronology of the Chicxulub impact and its effect on the dinosaurs and other animals around the world.