Is that a T-Rex lurking behind the snowbank?

The Smithsonian has a story on polar dinosaurs. Back in the day, when Australia hooked up with Antarctica and had a climate like Chicago's but with a 4-month long night each year, it had dinosaurs. It had the same kinds of dinosaurs as elsewhere. What did they eat during the long dark night of the pole? Did they migrate or hibernate or eat slim, or all of the above? Stay tuned.