For Firefly fans — today is Unification Day.

Who Invented Rock, Paper, Scissors and What’s the Best Way to Win Consistently?

Tunnel Of Samos – how did the ancient Greeks dig a 4000-foot tunnel from both ends and meet exactly in the middle in the 6th century BCE, 200 years before Euclid?

Awkward Russian Food Art.

What country owns the North Pole?



The Evolution of the Typewriter.

ICYMI, most recent links are here, and include Dr. Samuel Johnson’s birthday, a bacon vending machine, the science of jumping from a moving train, and, from 1803, the Ottoman Empire’s first map of the new United States.