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The First Cell Phone Call

YouthHistoryTechnology
When AT&T launched their cellular system for car phones, Dr. Martin "Marty" Cooper and his team at Motorola decided to build a truly wireless mobile phone, a handheld device that would truly free consumers to communicate on the go.

The myth of Gawain and the Green Knight - Dan Kwartler

AdultsHistoryHumanWriting...
Dig into the myth of the Green Knight, who comes to King Arthur’s court to challenge the honor and bravery of Camelot’s knights.

Betty Reid Soskin Tour Of "Rosie The Riveter" Museum

YouthHistoryTechnologyCulture...
Betty Reid Soskin tkaes us on a short tour of the “Rosie the Riveter World War II Home Front National Historical Park” in Richmond, California.

What Dinosaurs Actually Looked Like?

YouthScienceHistory
The past is a vast and mysterious land that begins at the big bang and ends in the present, expanding with each passing moment.

What is a “Developed” Country? Crash Course Geography #40

AdultsHistoryHumanLife...
oday we’re going to discuss what it means for a place to be “developed”. Development is often associated with economic success — that is countries with higher standards of living and material wealth like those found in Europe and North America.

The myth of Anansi, the trickster spider - Emily Zobel Marshall

AdultsCreativityHistoryHuman...
Follow the spider Anansi on his quest to complete a challenge from the Sky God in order to take ownership of the world’s stories.

2-Minute Time Machine - Writing

YouthHistoryTechnologyWriting...
How often do you use writing? Probably every day (yes, that includes texting). But how did humans start writing in the first place?

Colonialism: Crash Course Geography #39

AdultsEducationHumanWorld...
Empire, imperialism, and colonialism are all interrelated tactics of geopolitics that are used to achieve similar goals of one state maintaining economic, political, or even cultural dominance over other territories.

Big Ben For Kids

KidsWorldCultureHistory...
It's commonly known as Big Ben, but this famous landmark is actually named Elizabeth Tower in honor of Queen Elizabeth II.

Recycle Cardboard Into Anything With A 3D Printer

YouthHistoryTechnologyDIY...
Paper is an incredible material, but why does it always have to be flat? I’ve developed a process to turn paper into a three-dimensional material, using as little as a 3D printer, a blender, a vice, and pinch of rice.

The tragic myth of the Sun God's son - Iseult Gillespie

AdultsBooksMediaWriting...
Dive into the Greek myth of Helios and Phaethon, where the Sun God allows his mortal son to drive his chariot for a day.

The Surprising History Of Electric Cars

YouthHistoryTechnologyTransportation
Can electric cars reclaim their place on the road? Discover how developments in battery technology are making these cars more efficient and powerful.

The Most Powerful Computers You've Never Heard Of

AdultsHistoryScienceTechnology
Analog computers were the most powerful computers for thousands of years, relegated to obscurity by the digital revolution.

Why is the Mona Lisa so famous? - Noah Charney

AdultsArtHistoryHuman
Discover what factors helped Leonardo da Vinci’s “Mona Lisa” become the world’s most famous painting.

What Holds a Country Together or Tears it Apart? Crash Course Geography #36

AdultsHistoryHumanPolitics...
Today we’re going to talk about the forces that affect a country’s stability. We’ll take a closer look at Costa Rica, Venezuela, Cuba, and Brazil and examine how the cohesiveness of these Latin American countries varies dramatically even though they are in a region with similar characteristics.

The History And Future Of Everything

YouthHistoryTechnologyScience...
Time makes sense in small pieces

Why The Shortest Day Of The Year Isn't The Coldest

AdultsHistoryHumanWorld...
The way we experience seasons don't necessarily line up with how they're technically defined - here's why.