Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/mingling-with-mosquitos-and-grizzlies Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Story On July 23, the Nature Conservancy’s lead scientist M. Sanjayan embarked on a three-week river expedition into one of the most remote wilderness areas of Canada with a group of teens from the Dene First Nation, a group indigenous to the area.