Crash Course
What History Was, Is, and Will Be: Crash Course European History
At the end of our journey through modern European history, we're taking an episode to look back at how the practice of history developed and what the aim and goals and purpose of history have been. We'll also take time to consider how we...
TED Talks
TED: Why I make robots the size of a grain of rice | Sarah Bergbreiter
By studying the movement and bodies of insects such as ants, Sarah Bergbreiter and her team build incredibly robust, super teeny, mechanical versions of creepy crawlies … and then they add rockets. See their jaw-dropping developments in...
TED-Ed
TED-Ed: Shunan Teng: The Chinese myth of the white snake and the meddling monk
Xu Xian had just received an invitation to the opening ceremony of a new temple. His wife, Bai Su Zhen, warned him not to attend, but Xu Xian, a devout Buddhist, felt obligated to make an appearance. What they didn't know was that these...
Bozeman Science
Work and Power
In this video Paul Andersen explains how the work is a product of the external force applied to an object or system and the distance it moves. Power is a measure of the amount of work done per unit time. The work can be calculated as the...
TED-Ed
TED-Ed: The rise and fall of the Mongol Empire - Anne F. Broadbridge
Trace the rise and fall of the Mongol Empire which, under the leadership of Genghis Khan, became the largest contiguous land empire in history. -- It was the largest contiguous land empire in history— stretching from Korea to Ukraine,...
TED-Ed
TED-Ed What are the universal human rights?
The basic idea of human rights is that each one of us, no matter who we are or where we are born, is entitled to the same basic rights and freedoms. That may sound straightforward enough, but it gets incredibly complicated as soon as...
SciShow
Juno Arriving at Jupiter!
NASA's Juno is arriving at the Jupiter System! This is our opportunity to find out whether or not Jupiter has a solid core, as well as snag some cool travel pics before descending into oblivion.
PBS
From the Cambrian Explosion to the Great Dying
The first era of our current eon, the Paleozoic Era, is probably the most deceptively fascinating time in Earth's history. With near constant revolutions in life, punctuated by catastrophic extinctions, it is also one of the most chaotic.
TED-Ed
TED-Ed: The psychology of narcissism - W. Keith Campbell
Narcissism isn't just a personality type that shows up in advice columns; it's actually a set of traits classified and studied by psychologists. But what causes it? And can narcissists improve on their negative traits? W. Keith Campbell...
TED-Ed
A brief history of the devil | Brian A. Pavlac
Satan, the beast crunching sinners' bones. Lucifer, the fallen angel. Mephistopheles, the trickster striking deals. These three divergent devils are all based on Satan of the Old Testament. But unlike any of these literary devils, the...
TED Talks
The myth of bringing your full, authentic self to work | Jodi-Ann Burey
Calls for authenticity at work ask for passionate people with diverse, fresh perspectives who challenge old ways of thinking. But too often workplace culture fails to support the authenticity of professionals of color and other...
Crash Course
Latin American Revolutions Crash Course World History
In which John Green talks about the many revolutions of Latin America in the 19th century. At the beginning of the 1800s, Latin America was firmly under the control of Spain and Portugal. The revolutionary zeal that had recently created...
TED-Ed
TED-Ed: Can you outsmart the slippery slope fallacy? | Elizabeth Cox
It's 1954. Vietnamese nationalists are on the verge of securing an independent Vietnam under communist leader Ho Chi Minh. U.S. President Eisenhower claims that by virtue of the "falling domino principle," communist control of Vietnam...
TED-Ed
TED-ED: The rise and fall of the Assyrian Empire - Marian H. Feldman
Before the sun never set on the British Empire; before Genghis Khan swept the steppe; before Rome extended its influence to encircle the Mediterranean Sea; there was ancient Assyria. Considered by historians to be the first true empire,...
TED Talks
William McDonough: Cradle to cradle design
Green-minded architect and designer William McDonough asks what our buildings and products would look like if designers took into account "all children, all species, for all time."
TED Talks
John La Grou: A plug for smart power outlets
John La Grou unveils an ingenious new technology that will smarten up the electrical outlets in our homes, using microprocessors and RFID tags. The invention, Safeplug, promises to prevent deadly accidents like house fires -- and to...
Crash Course
Social Stratification: Crash Course Sociology
How do different societies establish a social hierarchy? Today we’re starting our unit on social stratification, starting with four basic principles of a sociological understanding of stratification. We’ll explain open and closed systems...
Crash Course
The Persians & Greeks Crash Course World History
In which John compares and contrasts Greek civilization and the Persian Empire. Of course we're glad that Greek civilization spawned modern western civilization, right? Maybe not. From Socrates and Plato to Darius and Xerxes, John...
TED Talks
Using your voice is a political choice | Amanda Gorman
For anyone who believes poetry is stuffy or elitist, Amanda Gorman -- the youngest inaugural poet in US history -- has some characteristically well-chosen words. Poetry is for everyone, she says, and at its core it's all about connection...
Curated Video
Decolonization and Nationalism Triumphant: Crash Course World History
In which John Green teaches you about the post-World War II breakup of most of the European empires. As you'll remember from previous installments of Crash Course, Europeans spent several centuries sailing around the world creating...
TED Talks
Douglas Thomas: How a typeface helped launch Apollo
When humanity first landed on the moon in 1969, the typeface Futura was right there with them. In this fascinating history of typography, designer Douglas Thomas shares Futura's role in launching the Apollo 11 spacecraft -- and how it...
SciShow
3 Ways We Could Get Clean Energy from the Moon
There are renewable energy sources here on Earth, but to meet our clean energy needs we should consider every possible option, including the Moon.
TED Talks
TED: A queer journey from shame to self-love | Crystal Rasmussen
TED talks about a queer journey from shame to self-love | Crystal Rasmussen
TED-Ed
TED-Ed: The chaotic brilliance of artist Jean-Michel Basquiat - Jordana Moore Saggese
Like Beat writers who composed their work by shredding and reassembling scraps of writing, artist Jean-Michel Basquiat used similar techniques to remix his materials. Pulling in splintered anatomy, reimagined historical scenes and...