The documentary film "BBC Human instincts. The origins of heroism"Dedicated to the most controversial and unusual property of human nature, as the tendency to self-sacrifice. Each of us lives instinct self-preservation, which programmed in the labyrinths of the brain, we save ourselves from threats. It turns out that we disagree for themselves when not looking at the risk to his life, rush to help out friends and even strangers to us the people who were in danger. It turns out that apart from the instinct of self-preservation in our lives once more powerful — instinct mutual which helped us to survive during evolution.
A man and his features