A recent solar storm bring the Aurora Borealis or Northern lights to the sky over parts of the northern Plains, the Great Lakes region and Northeast on Thursday and Friday, forecasters say. According to Joe Kunches of the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center in Boulder, Colo., “It’s a very rare occurrence”. Click here to view the first image in this week’s funny exam answers and school pictures gallery. Continue reading for a viral video explaining why it’s hard for astronauts to sleep in space.