Cold-Knowledge Blind Box Episode 54
From the 1880 New York corner that blew up, to Brazil burning coffee, the collapse of the International Coffee Agreement, the 1975 black frost and the record rallies of recent years, a look at where coffee futures came from and some of their quirks.
By Jens Oct 12, 2026 16 min read
Cold-Knowledge Blind Box Episode 53
Tickets often don't make money. Airlines survive on miles, ancillary revenue, and treating seats as inventory.
By Jens Sep 2, 2026 8 min read
Cold-Knowledge Blind Box Episode 52
Worst case, you go deliver food? After a day of runs in Melbourne, once you do the math you might not even afford a bubble tea.
By Jens Aug 18, 2026 14 min read
Cold-Knowledge Blind Box Episode 51
The railroads were real, and so was the bubble. In 1873, Americans bought the future at an inflated price.
By Jens Aug 3, 2026 10 min read
Cold-Knowledge Blind Box Episode 50
Diamonds became forever not because of geology, but because of a marketing campaign that ran for a century.
By Jens Jul 5, 2026 6 min read
Cold-Knowledge Blind Box Episode 49
The World Cup is more than a tournament. It sews nations, money and TV commercials onto the same ball.
By Jens Jun 18, 2026 9 min read
Cold-Knowledge Blind Box Episode 48
Shares worth €10 billion went missing for more than a decade. How did a Hermès heir end up handing over the keys to the safe?
By Jens May 20, 2026 7 min read
Cold-Knowledge Blind Box Episode 47
Price controls, protective laws, insurance subsidies: ask less of the slogans, and ask one more 'and then what?'
By Jens Apr 21, 2026 18 min read
Cold-Knowledge Blind Box Episode 46
After the torch was passed to Bletchley Park, where did the people who first pushed the door open go?
By Jens Apr 8, 2026 7 min read
Cold-Knowledge Blind Box Episode 45
Long before Turing showed up, Polish mathematicians had already pried open the crack in Enigma's door.
By Jens Mar 26, 2026 8 min read
Cold-Knowledge Blind Box Episode 44
Enigma was not a brain teaser. It was a race to work out the key first.
By Jens Mar 11, 2026 8 min read
Cold-Knowledge Blind Box Episode 43
After Coca-Cola's concentrate was cut off, a German plant made Fanta from cheese-making wastewater.
By Jens Jan 28, 2026 13 min read
Cold-Knowledge Blind Box Episode 42
Why did humanity suddenly break out of the Malthusian trap 250 years ago? Three Nobel laureates have the answer.
By Jens Dec 28, 2025 17 min read
Cold-Knowledge Blind Box Episode 41
No blue light, no white-light screens. How Nakamura Shuji collected the dragon balls at a small provincial company.
By Jens Nov 26, 2025 6 min read
Cold-Knowledge Blind Box Episode 40
When a Western restaurant asks how you want your steak cooked, it's not about raw meat. It's about getting the beef's fibers and temperature right.
By Jens Oct 21, 2025 8 min read
Cold-Knowledge Blind Box Episode 39
Beyond the falling apple: Newton's alchemy, his feuds, and how he tried to erase rivals from history.
By Jens Sep 27, 2025 9 min read
Cold-Knowledge Blind Box Episode 38
Sour grapes, the spotlight effect, hindsight bias: holes your brain digs for itself.
By Jens Sep 2, 2025 4 min read
Cold-Knowledge Blind Box Episode 37
Straw men, red herrings and bad attributions: the logical traps that show up most in everyday arguments.
By Jens Aug 18, 2025 4 min read
Cold-Knowledge Blind Box Episode 36
From a strict reform school to the meeting of the three founders: the choices made before NVIDIA ever opened for business.
By Jens Jul 24, 2025 17 min read
Cold-Knowledge Blind Box Episode 35
Sweet and watery, how did watermelon become humanity's summer staple?
By Jens Jul 5, 2025 8 min read
Cold-Knowledge Blind Box Episode 34
Fleming's dish grew mold, and P-type carelessness rewrote war and medicine.
By Jens Jun 19, 2025 10 min read
Cold-Knowledge Blind Box Episode 33
From willow bark to Bayer's lab, a fever pill has a history of thousands of years.
By Jens Jun 8, 2025 10 min read
Cold-Knowledge Blind Box Episode 32
When antibiotics stop working, an older approach, phage therapy, has been brought back.
By Jens May 19, 2025 6 min read
Cold-Knowledge Blind Box Episode 31
If you want to seem smart, the first step isn't a clever quote. It's saying things clearly.
By Jens Apr 28, 2025 10 min read
Cold-Knowledge Blind Box Episode 30
From kelp broth into a bottle of MSG: how the Japanese turned umami into an industry, and how the Chinese took it further.
By Jens Apr 16, 2025 10 min read
Cold-Knowledge Blind Box Episode 29
The Art of War is not chicken soup. It is a method for calculating information, logistics and human nature.
By Jens Apr 2, 2025 10 min read
Cold-Knowledge Blind Box Episode 28
Boeing's Starliner left its crew stranded at the space station, and in the end it was SpaceX that brought them home.
By Jens Mar 20, 2025 14 min read
Cold-Knowledge Blind Box Episode 27
The inventor was more than a light-bulb maker. He was also a master of grabbing patents, building companies and forcing rivals out.
By Jens Mar 4, 2025 7 min read
Cold-Knowledge Blind Box Episode 26
Why some home outlets are 110 and others 220: behind the sockets is a battle over electric current.
By Jens Feb 18, 2025 7 min read
Cold-Knowledge Blind Box Episode 25
Liuyang's fireworks weren't born overnight. They were built up by technique, trade routes and an entire industrial chain.
By Jens Jan 26, 2025 11 min read
Cold-Knowledge Blind Box Episode 24
From the rise of Japan's Showa-era boom, a look at the years when people would spend 50,000 yen just to take a taxi.
By Jens Jan 20, 2025 3 min read
Cold-Knowledge Blind Box Episode 23
After casinos and debt toppled his empire, how he turned failure into a business too.
By Jens Jan 4, 2025 6 min read
Cold-Knowledge Blind Box Episode 22
Fame, loans and Manhattan real estate: how Trump made himself into a brand.
By Jens Dec 12, 2024 10 min read
Cold-Knowledge Blind Box Episode 21
The Trump family business started with immigration, real estate and appearances, long before it reached Donald himself.
By Jens Nov 21, 2024 5 min read
Cold-Knowledge Blind Box Episode 20
How the first listed company later bubbled and crashed, and what it left behind.
By Jens Nov 7, 2024 6 min read
Cold-Knowledge Blind Box Episode 19
China's connection to the internet, the browser wars, and the .com bubble of the turn of the millennium.
By Jens Oct 15, 2024 5 min read
Cold-Knowledge Blind Box Episode 18
How the East India Company turned a single voyage into shares you could buy and sell.
By Jens Sep 25, 2024 7 min read
Cold-Knowledge Blind Box Episode 17
From ARPANET to the World Wide Web: how the internet went from a military project to something everyday people could hold.
By Jens Sep 11, 2024 7 min read
Cold-Knowledge Blind Box Episode 16
How salmon went from an ordinary fish to the star of the sushi counter.
By Jens Aug 21, 2024 6 min read
Cold-Knowledge Blind Box Episode 15
If your job disappeared, the world might be fine. So why do we keep pretending every day that it matters?
By Jens Jul 10, 2024 7 min read
Cold-Knowledge Blind Box Episode 14
From a grandfather who flew his own plane to Maye Musk: how wild this family of origin really was.
By Jens Jun 17, 2024 13 min read
Cold-Knowledge Blind Box Episode 13
The 300 at Thermopylae: the real history is colder and more brutal than the movie.
By Jens Jun 3, 2024 16 min read
Cold-Knowledge Blind Box Episode 12
From a string of explosions to reusable rockets: what SpaceX gambled on along the way.
By Jens May 14, 2024 12 min read
Cold-Knowledge Blind Box Episode 11
What it takes to get to Mars: rockets, life support, and whether anyone would choose to stay.
By Jens Apr 27, 2024 11 min read
Cold-Knowledge Blind Box Episode 10
Apollo was not just about courage. It was a pile of hardcore engineering, forced out of one problem after another on the ground.
By Jens Apr 16, 2024 7 min read
Cold-Knowledge Blind Box Episode 9
How sand turns into glass, and why transparency is anything but ordinary.
By Jens Feb 21, 2024 7 min read
Cold-Knowledge Blind Box Episode 8
Why grilled meat smells so good, why the calorie model falls short, and insulin and weight gain in winter.
By Jens Jan 18, 2024 8 min read
Cold-Knowledge Blind Box Episode 7
Gunpowder went from the alchemists' furnace to the battlefield, and then into the fireworks lighting up the New Year sky.
By Jens Dec 10, 2023 9 min read
Cold-Knowledge Blind Box Episode 6
Where QR codes come from, why lychees and oranges 'heat you up', and why your skin itches in winter.
By Jens Nov 25, 2023 5 min read
Cold-Knowledge Blind Box Episode 5
The Manhattan Project and Oppenheimer's entrance: how the first atomic bomb came to be.
By Jens Nov 8, 2023 9 min read
Cold-Knowledge Blind Box Episode 4
From the mass-energy equation to the laboratory: how the first atomic bomb was built.
By Jens Oct 17, 2023 8 min read
Cold-Knowledge Blind Box Episode 3
Before refrigerators, how people stored and transported ice to get through the summer.
By Jens Jul 30, 2023 10 min read
Cold-Knowledge Blind Box Episode 2
Air conditioning was not invented for people. Carrier went from drying a print shop to modern refrigeration.
By Jens Jul 30, 2023 5 min read
Cold-Knowledge Blind Box Episode 1
Where the idea that carrots are good for your eyes came from: sea voyages, the Dutch royal family, and wartime Britain.
By Jens Jul 13, 2023 7 min read