In which a playful-looking but delicate little species is unable to thrive anywhere but its 11-foot wide home near Death Valley, and Ken witnesses a jellyfish tragedy. Certificate #41036.
In which a British magazine very gradually takes over film culture with its once-every-decade top ten list, and John is careful not to endorse an invasion of the Sudetenland. Certificate #51403.
In which a series of lapses at a Union Carbide India chemical plant leads to the worst industrial accident in history, and Ken can't get behind a midnight tea break. Certificate #52760.
In which an Oklahoma tribe becomes the world's richest people before the swindling and the murders start, and John enjoys a web of intrigue. Certificate #47911.
In which a bizarrely illustrated codex baffles codebreakers for almost four hundred years, and Ken should not have sent that text about the collected works of Dickens. Certificate #42634.
In which Europe is so besotted with exotic ungulates that Roman emperors battle them, artists engrave them badly, and salons honor them in wig form, and John asks about Ken's milk bags. Certificate #27983.
In which underground nuclear testing in Alaska leads two Jewish Quakers into a new age of direct action in environmental activism, and Ken is grateful for the air fryer. Certificate #53211.
In which the divine right of kings, along with golden amulets, is considered the only cure for a disfiguring disease, and John considers which celebrities might be carved from wood. Certificate #22347.
In which a rare oxidized form of hemoglobin changes the skin color of a whole holler full of Kentuckians, and Ken wonders when elves got plastic surgery. Certificate #26015.
In which the world's first cultural superpower decides to make all its citizens a year or two younger overnight, and John could not have been a better baby. Certificate #38756.
In which a colorful newcomer to San Francisco loses a fortune on Peruvian rice and declares himself American royalty, and Ken would have pixelized Kiss. Certificate #42631.
In which a future music megastar bridges the gap between rock and hip-hop with one ambitious, illegal remix album, and John is such a good ally that he listened to Suzanne Vega. Certificate #19205.
In which a western religious holiday becomes a romantic poultry-eating occasion in modern Japan, and Ken destroys all his Hard Rock Cafe t-shirts. Certificate #24940.
In which an emperor convenes the first ever ecumenical council to figure out just whom Christians have been worshiping all this time, and John thinks the invention of the wheel led to mass depravity. Certificate #23027.
In which a national campaign to eradicate a misunderstood predator from the United States very nearly succeeds, and Ken would like to see John James Audubon burning in a pit. Certificate #52363.
In which utility companies take it upon themselves to provide the informational staple of every 20th-century household, and John is looking for a missing Jordanian. Certificate #48730.
In which a Finnish architect upgrades the prefab, modular homes of the 1960s by turning them into flying saucers, and Ken wants to know his table's name. Certificate #49729.
In which southeastern Arizona is menaced by a giant, murderous cryptid with a macabre rider, and John conjures up Mr. Clickety-Clack. Certificate #45334.
In which a man who can't find his golf balls solves every law enforcement problem known to man, and Ken has some bad news about parking tickets. Certificate #21137.
In which an earthenwork dam enjoyed by millionaires fails and a town of steelworkers disppears from the map, and John is terrified by the menace of West Virginia. Certificate #33180.
In which one lonely cosmonaut is left in space while his nation disappears from under him, and Ken thinks couples therapy should be about Mars. Certificate #35916.
In which a bored Phoenix mom has a sparkly dream that ends up changing both teen literature and Washington State tourism, and John explains that his virginity had little to do with vampires. Certificate #18573.
In which forests and their fungi form such close relationships that they essentially become a giant leafy brain, and Ken is excited about pre-Wil Wheaton science. Certificate #46162.
In which a space detective learns that hundreds of Richard Nixon's tiny gifts to the world have gone missing over the years, and John wonders if religious sacraments are more effective in space. Certificate #25614.
In which the counterculture of the 1960s encourages powerful institutions to create a square but multiracial song-and-dance troupe that takes the world by storm, and Ken imagines President Eisenhower as a stern ad executive. Certificate #53773
In which half a million colonists decide the American Revolution isn't really their thing, and John needs to know how many lanterns there were, just in case. Certificate #13747.
In which a medieval legend about a chunk of sandstone means that Scottish cooperation is necessary for Charles III to be crowned king, and Ken passes a Bible quiz. Certificate #42504.
In which the history of papal transportation is traced from sedan chairs to Hyundai sedans, and John has been researching the care and upkeep of Catholic moms. Certificate #15163.
In which cities, over the centuries, gradually discover the most efficient way to collect garbage for disposal, and Ken hasn't looked in his pocket since Christmas. Certificate #28712.
In which a computer millionaire takes early retirement to self-publish a 50-pound reference work about the chemistry of food, and John discovers a surprise cherry tomato. Certificate #24537.
