1938 - Bright yellow baseballs were used in a major league baseball game between the Brooklyn Dodgers and the St. Louis Cardinals. It was hoped that the balls would be easier to see. They were discontinued in 1939.
Fact of the Day
During the Vietnam War, C4 was used to start fires because it burns like wood and doesn't go off unless a blasting cap is used.
Nature Oddities
The slimiest animal in the world is the hagfish, which can produce a quart of slime in under a second. The slime is deployed as a defense to clog the gills of predatory fish, causing them to suffocate.
Food and Drink
Before chemical leavening agents like baking powder were invented, Southern cooks used to beat heavy dough with a rolling pin for up to 20 minutes to force air into it.