"Aboard a boat that ferries scientists to Alaskan wildlife" PBS NewsHour 9/2/2016

Excerpt

SUMMARY:  Every summer, the federal research vessel Tiglax travels along the chain of Alaska's Aleutian Islands, ferrying scientists to remote locations to study wildlife.  The Aleutian archipelago is 1600 miles in length and constitutes an ecosystem of stunning diversity.  Tiglax's captain talks about life aboard the boat, the animals he's seen, the passion of his passengers and why he's ‘hopeful.'