Field_setup (IMAGE) Estonian Research Council Caption There is a considerable amount of luggage, including technology, and rifles, that are needed to be taken with to the field work in the Arctic. The rifles are a key piece of equipment, they are required to carry for protection in case of a polar bear attack. Credit Prof Jeffrey A Tuhtan Usage Restrictions none License Original 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.