It's a new year! Here are the top 5 things in January you need to know to be the smartest person in the room -- or the Zoom

Plus a complete rundown of the holidays and celebrations this month--some zany, some serious. Share them with your friends, and make your frenemies jealous of your intellectual superpowers

#1 Out with the Old, In with the Old

Only twice in American history have presidents lost re-election only to come back four years later to be inaugurated for a second term.

The first was Grover Cleveland, who served as our 22nd president from 1885 to 1889 and then the 24th president from 1893 to 1897.