If you want to do good in this world, then watch uplifting things more often. According to this study, watching others perform a virtuous deed makes someone more likely to exhibit altruistic, pro-social behavior. Not a huge surprise, but good to see confirmed in our modern era of sadly unheroic celebrities.
CT - homeschooling mother of girls.
Animal Aficionada - A girl who likes to keep track of and share the interesting things she learns about animals.
Space Girl - Copied sister above and now has a little blog about space facts.