27. Pair of human feet consist of 52 bones and account for 25% of all bones in the body.
28. Lactase Persistence, the ability of humans to digest milk as an adult, is only common among Europeans and those of European ancestry, as a unique mutation. Most of the global population, including 90% of the Asians and 100% of Native Americans, have some degree of lactose intolerance.
30. Some historians believe that humans developed agriculture, so that they could make more alcohol.