Helping others is something that we did for very long long time
"The third stage, based on findings from Europe between around 500,000 and 40,000 years ago, sees humans such as Homo heidelbergensis and Neanderthals developing deep-seated commitments to the welfare of others illustrated by a long adolescence and a dependence on hunting together. There is also archaeological evidence of the routine care of the injured or infirm over extended periods. These include the remains of a child with a congenital brain abnormality who was not abandoned, but lived until five or six years old. The researchers also note that there was a Neanderthal with a withered arm, deformed feet and blindness in one eye who must have been cared for, perhaps for as long as twenty years."
"The third stage, based on findings from Europe between around 500,000 and 40,000 years ago, sees humans such as Homo heidelbergensis and Neanderthals developing deep-seated commitments to the welfare of others illustrated by a long adolescence and a dependence on hunting together. There is also archaeological evidence of the routine care of the injured or infirm over extended periods. These include the remains of a child with a congenital brain abnormality who was not abandoned, but lived until five or six years old. The researchers also note that there was a Neanderthal with a withered arm, deformed feet and blindness in one eye who must have been cared for, perhaps for as long as twenty years."
http://news.discovery.com/human/neanderthals-were-compassion...