As thousands of troops and government workers struggle to restore normal life to Puerto Rico, a small group of scientists is racing to save more than 1,000 monkeys whose brains may contain clues to some of the most important mysteries of the human mind. One of the first places Hurricane Maria hit in the US territory Sept. 20 was Cayo Santiago, known as Monkey Island, a 40-acre outcropping off the east coast that is one of the world's most important sites for primate research, reports the AP. The storm destroyed virtually everything on the island, stripping it of vegetation, wrecking the monkeys' metal drinking troughs, and crushing the piers that University of Puerto Rico workers use to bring in bags of monkey chow—brown pellets of processed food that complete the primates' natural vegetation diet. More: