It is believed that the encephalization of early Homo was made possible by the consumption of energy- and nutrient-rich animal foods to pay for its metabolically expensive brain.

Nothing more than that which we can handle , cast down , bury ; and surely not he who is yet to progenerate a more numerous and far better race , than during the few years it was permitted us to converse with him.

old saw

Doing volunteer work to help others is truly worthwhile.