CarStuff
What's the history of stop lights? What are some common myths about car dealerships? Join Scott and Ben as they take a closer look at all things automotive in CarStuff, a podcast by HowStuffWorks.com.

Icebreakers and Ice-Strengthened Ships

June 14, 201749 min
These purpose-built vessels are tasked with breaking through thick ice in order to keep shipping lanes and ports open during the winter months. But they don’t break the ice the way you probably think they do – there’s a surprising twist.