In which over a century of mathematicians are unable to solve a geometry problem straight out of a coloring book, computers provide their first ever math "proof," and Ken challenges John to map a donut. Certificate #28876.
In which Queen Elizabeth's top astrologer dreams up the British Empire, solar power, and possibly even James Bond, and then loses his whole reputation to a charlatan with no earlobes, leading John to create a list of scientists who should have stayed in their lane. Certificate #44269
In which the U.S. military builds hundreds of thousands of weird half-cylindrical shelters out of corrugated steel, and Ken reports on what they would look like with stained-glass windows. Certificate #35704
In which we remember Frank Zappa's favorite 1950s fad, brought to you by the inventor of Mad Libs, and John remembers why people actually thought a Sasquatch lived on top of the Space Needle back in foggier times. Certificate #48261.
In which a tiny village secedes from the United States to join the Confederacy and forgets to rejoin for almost a century--even though it's in upstate New York just miles from the Canadian border. Certificate #42052.
In which over a hundred of Honolulu's elite private school students are shipped off to some of the world's most remote islands on a top-secret government mission, and Ken wonders if sea turtles can feel dread. Certificate #22194.
In which we learn how a historical delicacy of Croatia got bastardized into a staple of American cocktails and sundaes, and John is upset when his third grade teacher pays him in ice cream instead of cash. Certificate #28197.
In which a re-designed school binder becomes a mandatory school accessory and one of the great marketing successes of the 1980s, and Ken spends hours looking at erasers shaped like sushi. Certificate #31310.
In which an Esperanto-loving stage mom raises America's first celebrity child prodigy, who writes one of history's most famous poems before vanishing into a cloud of bigamy and scandal. Certificate #35551.