Every single one of these people risked his or her life to “an extraordinary degree” in attempting to save the life of another person. In most cases, the people they’ve saved are total strangers.
This is the same sort of impulse that drives health care workers to travel to West Africa to help deal with the ebola virus, putting them at risk of infection.
From either selfish or evolutionary perspectives, this kind of thing makes absolutely no sense. So why do so many people do it?
Enjoy the video below;
