Culture may explain why brains have become bigger. A theory called the cultural brain hypothesis could explain extraordinary increases in brain size in humans and other animals over the last few million years, according to a new study. Source 6n.
USA Teachers Carrying Guns: An idea to have teachers who want to carry guns to school undergo some level of police training will be left up to local school districts and police departments. By Swell 21st May, 2018 - 5:16amDiscuss It!