When disaster strikes who lives and who dies is not purely a matter of luck.
In every disaster, from those people face once in a lifetime, to those they face every day, there are things that can be done to increase the chances of getting out alive.
Horizon has gathered a team of leading experts to produce the ultimate guide to disaster survival.
Through controversial experiments, computer simulations and analysis of hundreds of survivor testimonies from plane crashes to ferry disasters and even 9/11, they will reveal what happens in the mind in the moment of crisis and how the human brain can be programmed for survival.
Watch the full documentary Playlist (58 minutes)