The ability to walk upright on two legs is a defining characteristic of humans, setting us apart from other primates. Recent research has shed light on the evolutionary changes in the human pelvis that made bipedalism possible. A study published in Nature identified two significant genetic changes that reshaped the human pelvis. The first change
Benjamin Franklin is a figure of historic importance. He is what used to be called a “man of letters” and a polymath, but this only goes so far in explaining how important he was during his life, and how important he remains after his death. Franklin is a founding father of the United States, for