Study examines what drives good deeds

Every day, we face a series of opportunities to do the right thing. Sometimes we seize those moments; other times, we don't. So, why do we make these choices, and what drives some people to take the moral high ground?

Altruism: Genetic or Cultural Evolution?

(PhysOrg.com) -- The origins of altruism, the willingness to make personal sacrifices for the benefit of others often unknown to us, has perplexed evolutionary social scientists and biologists for years.