Sea Slugs: Harbingers of Worrying Warming

It's official, climate change is upon us, with sea levels rising, harsh storms abound, and the hottest years in history. Even the US Senate is admitting that climate change is a reality that we must deal with. Now, a new consequence of warming temperatures has appeared, and it's a strange one. Sea slug populations are growing to unfathomable numbers, and researchers are investigating what that could mean.