Relationship satisfaction is most strongly predicted by how partners respond to each other's bids for connection.

Competitive sailing at the Olympic level involves reading wind shifts, currents, and opponents' tactics simultaneously.

The 16th Amendment authorized a federal income tax.

Archery was the first sport to be included in the Olympics after its original ancient form disappeared from the games.

Tug of war was in the Olympics from 1900 to 1920.

Abraham Lincoln was a licensed bartender and co-owned a tavern before entering politics.

Authority symbols increase compliance.

A regulation NFL football must be inflated to between 12.5 and 13.5 psi.

Economist Arthur Laffer famously sketched the Laffer Curve on a napkin during a dinner meeting in the 1970s.