Ari Daniel Shapiro: Narwhal tagging in the arctic
b'As a grad student, Ari Daniel Shapiro has to tag some narwhals to collect data. The problem: it\'s in the arctic, the devices have never been tested, and if he fails he\'ll never be able to do research again. "The thing is, you have to get the tag back to get the data."\\nLearn more about your ad choices. Visit megaphone.fm/adchoices'