Monday links

New Guinness World Record-setting Rube Goldberg machine takes 412 steps to light a Christmas tree.

When Mother Teresa Met With New York's Mayor to Lobby for a Parking Permit.

Who Inspired Elvis Presley's Haircut?

Before Seinfeld: The Origins of Festivus.

Chimps Remember Butts Same as Faces.

How Teddy Roosevelt Changed Football.

ICYMI, Friday's links are here, and include (without limitation) lots of really bad nativity sets, the history of the chicken dance, Pretend to Be a Time Traveler Day, and how McDonald's got started.