In this episode, James talks to Mark Rodrigue from Parks Victoria about a new plan to control coastal weed sea spurge along Victoria's coast. To plan - to release a new fungus that kills the spurge - will help species like Little Penguins. Find out more.

We also chat to Adelaide Dedden, a researcher at the University of New South Wales, about her new research looking at what whale baleen can tell us about the past. Read her research paper.

Image: Wikimedia Commons.