In the first Arctic Impressions podcast, Dorian talks about the houses in Barrow. She said, "They were raised off the ground about a foot or more, and many had big dogs on chains in their front yards. I found out later that these dogs loved to be outside, and protected their owners from polar bears!"
During intense solar flares, astronauts see bright flashing streaks of light as a result of high-energy particles zipping through their eyeballs.