How to get a PhD in Whale Watching ? (84)

Meet one hardworking Sydney Uni student, Vanessa Pirotta. She works with a boat and a drone. Off Sydney (and in Antarctic waters) she has developed a health profile of migrating whales without touching them. Whales have a 12 month gestation cycle. They synchronise with the seasons. From the tropics to the roaring 40's marine mammals have a story we must listen to.