Cancelling classes used to rarely happen. But with this polar vortex, many schools cancelled classes, from elementary to universities.

Twenty-two states saw sub-zero temperatures during the weather events. Ten states had mail delivery suspended. Six states had colder weather than the south pole.

Tyson Foods is recalling 18 tons of chicken nuggets because they may be contaminated with rubber. They were manufactured in November.

Nebraska chose its next state poet.

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