Crash Course
Keyboards & Command Line Interfaces: Crash Course Computer Science
Today, we are going to start our discussion on user experience. We've talked a lot in this series about how computers move data around within the computer, but not so much about our role in the process. So today, we're going to look at...
TED Talks
TED: Help discover ancient ruins -- before it's too late | Sarah Parcak
Sarah Parcak uses satellites orbiting hundreds of miles above earth to uncover hidden ancient treasures buried beneath our feet. There's a lot to discover; in the egyptian Delta alone, Parcak estimates we've excavated less than a...
Crash Course
Los Angeles Uprisings: Crash Course Black American History #45
In this episode of Black American History, Clint Smith teaches you about the complicated history of racial tension in South Central Los Angeles. You'll learn about the Watts Rebellion of 1965, a 6-day uprising in response to police...
SciShow
How Alchemy Led to Modern-Day Chemistry & Medicine
At the heart of alchemy was the quest to turn ordinary metals into gold. Despite the hopelessness of that goal, alchemists still made a lot of discoveries that formed the foundation of modern chemistry and medicine.
Curated Video
Mansa Musa and Islam in Africa: Crash Course World History
In which John Green teaches you about Sub-Saharan Africa! So, what exactly was going on there? It turns out, it was a lot of trade, converting to Islam, visits from Ibn Battuta, trade, beautiful women, trade, some impressive...
Crash Course
Gender, Guilt, and Fate - Macbeth, Part 2: Crash Course Literature 410
This week on Crash Course Literature, John Green is continuing to talk about Shakespeare's dark, bloody, Scottish play, Macbeth. This time around, we're looking at the play's characters operate, how the play deals with gender, and the...
Crash Course
21st Century Challenges: Crash Course European History
The 21st century brought a whole new host of challenges to the world, and Europe was no exception. In this video you'll learn about how an increasingly connected and complex world led to some pretty deep rifts in countries across the...
TED-Ed
TED-ED: The history of tattoos - Addison Anderson
If you have a tattoo, you're part of a rich cultural history that dates back at least 8,000 years. Where did this practice of body modification come from, and how has its function changed over time? Addison Anderson tracks the history of...
SciShow
Why It Took a Decade to Launch The James Webb Space Telescope | Compilation
The James Webb Space Telescope has launched! But it was a very long road to get to this point, and we’ve been following the progress for a decade!
Crash Course
The Big Bang: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about, well, everything. Big History is the history of everything. We're going to start with the Big Bang, take you right through all of history (recorded and otherwise), and...
TED-Ed
TED-Ed: How one woman put man on the moon - Matt Porter and Margaret Hamilton
The Apollo 11 moon landing was about the astronauts, mission control, software and hardware all working together as a seamless integrated system. None of which would have been possible without the contributions of one engineer: Margaret...
Crash Course
Modern Life: Crash Course European History
So, "modern" is kind of a loaded term, but today we're going to talk about modern life in Europe, as it looked around the time the 19th century turned into the 20th. We'll look at what life was like in the rapidly growing urban centers...
TED-Ed
TED-Ed: A day in the life of an Aztec midwife
The midwife Xoquauhtli has a difficult choice to make. She owes a debt to her patron Teteoinnan, the female warrior goddess at the center of the Aztec seasonal festival, who must be kept happy or she will bring bad luck. Xoquauhtli...
TED-Ed
TED-Ed: Are the Illuminati real? | Chip Berlet
The year was 1776. In Bavaria, new ideals of rationalism, religious freedom and universal human rights competed with the Catholic church's heavy influence over public affairs. Adam Weishaupt, a law professor frustrated with the Church's...
TED-Ed
TED-Ed: Why are some people left-handed? - Daniel M. Abrams
Today, about one-tenth of the world's population are southpaws. Why are such a small proportion of people left-handed -- and why does the trait exist in the first place? Daniel M. Abrams investigates how the uneven ratio of lefties and...
TED Talks
TED: Why museums are returning cultural treasures | Chip Colwell
Archaeologist and curator Chip Colwell collects artifacts for his museum, but he also returns them to where they came from. In a thought-provoking talk, he shares how some museums are confronting their legacies of stealing spiritual...
Crash Course
How Do We Know We're Sick? Crash Course Outbreak Science
Sometimes, diagnosing patients is pretty easy, but other times... not so much. Luckily, in a medical setting we have tools that can help us figure out what's wrong with patients, and how to help them. In this episode of Crash Course...
Crash Course
Climate Change, Chaos, and The Little Ice Age - Crash Course World History 206
In which John Green teaches you about the Little Ice Age. The Little Ice Age was a period of global cooling that occurred from the 13th to the 19th centuries. This cooling was likely caused by a number of factors, including unusual solar...
TED Talks
TED: Join the SETI search | Jill Tarter
The SETI Institute's Jill Tarter makes her TED Prize wish: to accelerate our search for cosmic company. Using a growing array of radio telescopes, she and her team listen for patterns that may be a sign of intelligence elsewhere in the...
TED-Ed
The artist who won a Nobel Prize... in medicine | Melanie E. Peffer
In the 1860s, scientists believed they were on the verge of uncovering the brain's biggest secret: how the brain's signals travel through the body. They believed these impulses travelled uninterrupted along a massive web of tissue. But...
TED Talks
TED: How to win an argument (at the US Supreme Court, or anywhere) | Neal Katyal
The secret to winning an argument isn't grand rhetoric or elegant style, says US Supreme Court litigator Neal Katyal -- it takes more than that. With stories of some of the most impactful cases he's argued before the Court, Katyal shows...
Crash Course
Expansion and Consequences: Crash Course European History
European exploration had a lot of side effects. When the Old World and the New World began to interact, people, wealth, food, animals, and disease began to flow in both directions. In the New World, countless millions were killed by...
TED Talks
TED: The bad math of the fossil fuel industry | Tzeporah Berman
We currently have enough fossil fuels to progressively transition off of them, says climate campaigner Tzeporah Berman, but the industry continues to expand oil, gas and coal production and exploration. With searing passion and...
TED Talks
George Dyson: The birth of the computer
Historian George Dyson tells stories from the birth of the modern computer -- from its 17th-century origins to the hilarious notebooks of some early computer engineers.