This article in the New Scientist asks what makes people risk their own well-being to help strangers. This altruism is often dramatic and impulsive. Why?
“It took Michael McNally about 10 seconds from hearing the crash to run from his house in the Cape Cod village of Marstons Mills to the road outside. When he got there, the car was already burning… He looked inside and saw a young woman in the passenger seat… if she stayed there another minute she would die.”
New Scientist No. 3005, 24th January 2015, p36-39.