Interesting Things with JC #1711: "Why McDonald's Coke Tastes Different" – McDonald's serves Coca-Cola using refrigerated stainless steel syrup tanks, insulated delivery lines, filtered water, and a fountain calibrated for melting ice while a wider straw changes how the drink reaches you, creating a

Interesting Things with JC #1710: "The First New Blue in 200 Years" – Chemists heating a mixture of metal oxides for a magnetism experiment watched it cool into a vivid blue pigment no one expected, and the accidental discovery became the first new inorganic blue added to artists' palettes in roughl

Interesting Things with JC #1709: "A Yard of Flightline" – A new Air Force airman is sent to pick up a routine item, but every office on the base insists someone else has it. This episode is inspired by Chris.

Interesting Things with JC #1708: "The System That Made Blood Banking Scalable" – Blood donations begin moving through a standardized collection and distribution system instead of depending on finding the right donor at the right time.

Interesting Things with JC #1707: "The Greeting Card Cure" – Millions of greeting cards keep arriving for a boy who recovered decades ago after a chain letter spread worldwide, and the outdated request continues circulating online long after the record, the illness, and the child himself are gone.

Interesting Things with JC #1706: "John Smeaton - The Hero of Glasgow"– A baggage handler runs toward a burning Jeep after it crashes into Glasgow Airport and joins travelers, airport workers, and police in stopping a terrorist attack before the explosives can cause the devastation that was intended

Interesting Things with JC #1705: "Tara Westover, the Girl Who Taught Herself to Study" – Tara Westover opened an algebra book to prepare for the ACT even though she had never attended school, and each lesson she taught herself uncovered just how much of the world had been missing from her education

Interesting Things with JC #1704: "Lincoln Wasn't the Only Target" – John Wilkes Booth killed President Abraham Lincoln while three other assassins moved against Vice President Andrew Johnson, Secretary of State William H. Seward, and General Ulysses S. Grant

Interesting Things with JC #1703: "250 Years of the United States of America" – On July 4, 1776, Congress approved the final text of the Declaration of Independence and ordered it printed across the colonies. That decision launched a nation that, over the next 250 years, fought for its independence

Interesting Things with JC #1702: "July 3rd, 1776 - The Message Had to Be Perfect" – Congress was rewriting Thomas Jefferson's Declaration of Independence after the colonies had already voted for independence, removing entire passages and reshaping its language before a single copy could be printed

Interesting Things with JC #1701: "The Day the Decision Was Made" – Congress was already directing a war against Great Britain while still debating whether the colonies should become independent. On July 2, 1776, delegates voted to make independence official.

Interesting Things with JC #1700: "Patriotism" – Americans keep serving the same country while disagreeing over what patriotism requires, and the debate has lasted from the Revolution to the present without producing a single definition.

Interesting Things with JC #1699: "Project Blue Book" – Air Force investigators keep collecting UFO reports as the unexplained cases refuse to disappear. Thousands receive ordinary explanations, but hundreds remain officially unidentified even after radar data, witness interviews, photographs

Interesting Things with JC #1698: "Operation Mockingbird" – The CIA built relationships with journalists, funded publications, and treated information as a Cold War weapon, but the famous name "Operation Mockingbird" may not have been the official program most people believe it was.

Interesting Things with JC #1697: "Operation Popeye" – American aircraft flew directly into monsoon clouds and released silver iodide to increase rainfall over the Ho Chi Minh Trail. The goal wasn't to destroy roads with bombs but to keep them buried in mud long enough to slow military supplies

Interesting Things with JC #1696: "David Clayton-Thomas" – David Clayton-Thomas replaced Blood, Sweat & Tears' original singer just as the band's future was uncertain, and his gritty rhythm-and-blues voice transformed a brass-heavy rock experiment into one of the biggest albums of its era.

Interesting Things with JC #1695: "The Berlin Airlift - Keeping a City Alive" – Cargo planes keep landing in a city sealed off by every road, rail line, and canal as thousands of tons of coal, food, and medicine arrive through three air corridors, with flights continuing every few minutes

Interesting Things with JC #1694: "27 Distinct Emotional Categories" – Researchers analyzed 27,000 emotional responses and found that human emotions did not fit a few basic categories; instead, 27 distinct emotional states blended into one another across a continuous emotional landscape.

Interesting Things with JC #1693: "HAL5 and the Space Settlement Movement" – Engineers and space enthusiasts in Huntsville kept meeting to discuss permanent human settlements in space after the Space Age had largely faded from public attention

Interesting Things with JC #1692: "Frank Wisner" – Frank Wisner watched Soviet influence replace German influence in Romania while World War II was still being fought, and the institutions he later helped build were designed to compete in the same kind of political struggle through covert influence