People’s teeth used to randomly explode in the 1800s…

People’s teeth used to randomly explode in the 1800s due to bad fillings. Before the advent of mercury amalgam, a wide variety of metals were used to fill cavities. Using two different metals could create an electrochemical cell – effectively turning the whole mouth into a low-volt battery.

In 1993 Pepsi ran a contest in the Philippines…

In 1993 Pepsi ran a contest in the Philippines in which it promised 1 million pesos, roughly $40,000, to the person who found the number 349 inside his bottle cap. Pepsi went on to mistakenly print 800,000 winning caps, leading to outrage and death threats to Pepsi executives.