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How the Most Expensive Swords in the World Are Made

AdultsConstructionEducationHistory...
This is a video about how Japanese samurai swords, aka katanas, are made – from the gathering of the iron sand, to the smelting of the steel, to the forging of the blade.

Our Instruction Manual for Existing

AdultsBiologyHistoryHuman...
Your DNA contains all the instructions your body needs to function. In this episode of Crash Course Biology, we’ll figure out what this giant instruction manual looks like and how this three-billion-letter code gets copied into your trillions of cells through DNA replication.

Generative A.I - We Aren’t Ready.

AdultsHistoryScienceTechnology...
New generative A.I breakthroughs are happening almost every week, it seems.

We're Probably Going to Cure MS

AdultsHealthHistoryScience...
You've probably heard of multiple sclerosis, especially if you're a fan of The West Wing. But can we ever cure MS? Yes. But also, no. But also, probably? It's complicated.

How humanity got hooked on coffee - Jonathan Morris

AdultsFoodHistoryHuman...
Trace the history of coffee, from its first known origins to its rise in popularity due to trade routes and cultivation.

The Oldest Unsolved Problem in Math

AdultsHistoryHumanMath...
Do odd perfect numbers exist?

Ancient Animal Crossing

KidsAnimalsHistoryNature...
Join Squeaks and Jessi as they learn about a time when lots of animals switched places -- like bears, sloths, armadillos, and more.

Why Does Everything Decay Into Lead

AdultsEducationHistoryScience...
If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive.

Chandigarh a perfectly planned city?

AdultsConstructionCreativityHistory...
Explore the construction of the futurist city Chandigarh, a project of Prime Minister Jawaharlal Nehru and planned by Le Corbusier.

Are We Made Of Stardust?

YouthFactsScienceSpace...
Our planetary scientist Dr Ashley King reveals how the big bang, stars and supernovas helped make life possible.

Saber-Toothed Smilodon

KidsAnimalsHistoryNature...
Smilodon the saber-toothed cat had really big teeth! Join Jessi and Squeaks and learn all about how fossils can tell us how these Ice Age animals lived.

Has The Amelia Earhart Mystery Been Solved?

YouthHistoryMediaWomen...
It's one of history's famous mysteries. What happened to a legendary and record breaking pilot who vanished on a epic mission.

Why It Was Almost Impossible to Make the Blue LED

AdultsHistoryScienceTechnology...
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.

Why is rice so popular? - Carolyn Beans

AdultsFoodWorldCulture...
Dig into how rice became a staple in the world’s diet, and the surprising consequences of its traditional production practices.

Experiencing the Rich History and Food of Canada's Season of Bounty

AdultsFilmFoodMedia...
Nat Geo Photographer Matthieu Paley heads to the Maritime Provinces and Quebec in Canada during the season of bounty to connect with the land and rich history through people and food.

What Is A Core Sample?

YouthHistoryLifeScience...
Have you ever wanted to go back in time— just to see what it was like? Well, scientists have figured out how …sort of…

Ancient History: India (Maurya Empire)

YouthHistoryHumanWorld...
Take a quick dive into the history of ancient India's Maurya Empire.

The Winter Solstice Explained

YouthCultureHistoryWorld...
The winter solstice is the shortest day of the year and the official start of winter in the Northern Hemisphere.

Ancient History: Athens

YouthHistoryHumanWorld...
Take a quick dive into the history of ancient Athens.

Buried Secrets of the Bible with Albert Lin: Sodom & Gomorrah

AdultsHistoryHumanWorld...
Albert Lin reveals real events behind the epic biblical story of Sodom and Gomorrah.

Why AI Will Spark Exponential Economic Growth | Cathie Wood | TED

AdultsHistoryHumanTechnology...
Investor Cathie Wood explores this unique moment in technology, which she sees as being marked by the simultaneous evolution of five pivotal innovation platforms — a scenario unparalleled in history.