Ryan Mason, Brown University (IMAGE) Brown University Caption Medical student Ryan Mason surveyed hikers in the White Mountains, asking what they had brought along for safety. Only 40 percent were packing at least eight of the 10 essentials: map, compass, knife, rain gear, fire starter, and so forth. Credit Courtesy Ryan Mason/Brown University Usage Restrictions with credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.