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1:37:22
How a Few Hundred Conquistadors Toppled the Aztec and Inca Empires: Si Sheppard on Steel, Horses, and Diplomacy
The host opens with the puzzle. A few hundred Spaniards land on a continent they know nothing about. Within a few years they subjugate empires of millions. They often win battles while outnumbered a h
29:33
Comté and Its Rivers: A Cheese That Sustains the Jura and Damages It
Comté has become France's favorite cheese, and production keeps breaking records in the Jura Mountains. But this success has a downside: producers are accused of polluting the region's rivers. This AR
8:09Is AI Making Students Dumb? Estonia's Pilot Project and Europe's Inconsistent Responses
According to the report, more than half of all students in Europe already use artificial intelligence. The documentary poses a pointed question: Are young people losing the ability to think and solve
27:15
Ryuji Slams Lawson's Second Round of "Itten Toppa Bento" and Offers an Alternative: a Meatless "Japanese-Style Keema Curry"
Cooking researcher Ryuji previously reviewed the bodakko bento from Lawson's "Itten Toppa Bento" (single-focus bento) series, and that video drew more than 2 million views. The comments were full of r
17:22
The Invisible Math of Car Buying: Ramit Sethi Reacts to People Who Bought Too Much Car
Ramit Sethi opens with a type of person he says he sees all the time: someone who is fairly smart with money but drives a car they can barely afford, and who has convinced themselves the purchase made
1:42:33
Peter Mattis on B-Trees, Distributed Databases, and Writing Database-Grade Code with AI
Peter Mattis co-created GIMP in college, helped build Gmail's original storage backend, was on the founding team of Google's Colossus file system, and co-founded Cockroach Labs, where he is CTO. By hi
12:10Asia and Africa, Two Emerging Continents at Different Stages: The Dessous des cartes Match-Up
This extended edition of Le Dessous des cartes asks a simple question: as Asia shows the first signs of slowing down, can Africa take over as the driver of global growth? The two continents are presen
29:47Ryuji Learns "How Hard His Own Recipes Are" at His First Cooking Class for Kids
Cooking researcher Ryuji held a cooking class, the first ever in his videos, at the "Buzz Cooking Studio," a departure from the usual setting. The students were five first-grade elementary schoolers.
6:10
Dakota Johnson's "Home" Tour That Isn't Quite What It Seems
Vogue's Objects of Affection series normally invites designers and celebrities to show off the furniture, art, and keepsakes they love most. This short video is a scripted comedy built on that format.
39:45
What Do Bodies Tell Us? Forensic Pathologist Hirotaro Iwase on Postmortem Changes, Overlooked Causes of Death, and the Limits of Japan's Death Investigation System
What happens to the body when a person dies? What can be learned from the faint traces left on a body, and what has been overlooked? Hirotaro Iwase, a professor in the Department of Legal Medicine at
4:54
Sweden's Snus Experiment: A Path Away From Cigarettes, or a New Generation of Nicotine Addicts?
Sweden is close to becoming the first European country to declare itself smoke-free, and many people credit snus, a small pouch of nicotine tucked under the lip. This report examines that claim. It as
4:53
Why Matsukiyo Isn't a "Discount Store": A Strategy That Competes on Value, Not Price
When people buy drinks or daily necessities at Matsukiyo, many come away with the impression that it's a "cheap store." The speaker says they had always thought so too. Yet in its latest earnings, Mat
42:46
Scaling Handmade Furniture With Factory-Floor Discipline: Kwadwo Som-Pimpong on Building Crafted Glory
Kwadwo Som-Pimpong runs Crafted Glory, a small-batch handmade furniture practice in Asheville, North Carolina, while also working 10-hour shifts as a fabrication supervisor at Eaton. On Manufacturing
18:52
How Dermaid's Lotion and Cream Have Changed: Odor Fixes, Glycerin Removal, and a Preview of the New "Mild Series"
In a sponsored video with pdc, cosmetic chemist Kazunosuke explained the renewal of Dermaid, a skincare line formulated with three active ingredients: niacinamide, tranexamic acid, and D-panthenol. Th
28:49
Why Claude Can't Be Your PM (Yet): Anthropic's Product Leaders on Judgment, Agents, and Parallel Bets
At the Lenny and Friends Summit, Dan Shipper put a question to Anthropic's Ami Vora and Mike Krieger: a year ago people were saying AI might make product managers obsolete, and now it seems everyone i
17:21Context Becomes the Product: Karri Saarinen on What AI Should Free Teams to Learn
Karri Saarinen, co-founder of Linear, opened his talk at the Lenny and Friends Summit with a story about stepping away. This summer he took a break from following AI: the latest models, what they coul
29:09Shipping Before It's Perfect: OpenAI's Tara Seshan and Nan Yu on Agents, Planning Horizons, and What Comes After the Chat Box
At the Lenny and Friends Summit, Claire Vo interviewed Tara Seshan and Nan Yu of OpenAI about building AI products while the underlying technology keeps shifting. The session covered shipping features
35:22Ryuji Tries Goemon's Much-Talked-About Summer Vegetable Pasta and Remakes It at Home
Cooking researcher Ryuji visited Yomenya Goemon with staff member A-ko and tried the summer vegetable butter-soy sauce pasta that had been getting buzz on X (formerly Twitter). Afterward, Ryuji made t
1:59:46$1 Million a Year, $11 Million in Assets, and Still Spending More Than They Make: Ramit Sethi Coaches Margo and Kevin
Margo and Kevin, 42 and 52, live in Brooklyn with their five children. On paper their finances look enviable: roughly $11 million in assets, a business Kevin built himself, and a take-home income of a
14:24
Jonathan Anderson on the Dior Archive: Craft, Commerce, Superstition and the Pieces That Shape His Work
At Dior Heritage in Paris, the house's archive of Christian Dior's work, creative director Jonathan Anderson walks through a selection of what they call their "objects of affection." The pieces range