TED Talks
TED: How to make learning as addictive as social media | Luis von Ahn
When technologist Luis von Ahn was building the popular language-learning platform Duolingo, he faced a big problem: Could an app designed to teach you something ever compete with addictive platforms like Instagram and TikTok? He...
TED Talks
TED: The climate crisis is expensive -- here's who should pay for it | Avinash Persaud
The developing world is most affected by climate change but has contributed the least to the problem. Meanwhile, rich countries historically exacerbated the environmental crisis and grew wealthy as a result -- but aren't helping...
Curated Video
Protesters Gather at Trump's Newest DC Hotel
Protesters let their objections be heard on Monday outside Donald Trump's latest luxury hotel. This comes on the same day the hotel opens to guests. There wasn't any fanfare around the opening, which is known as a "soft opening."...
Curated Video
Protesters at Trump's newest DC hotel
RESTRICTION SUMMARY: AP CLIENTS ONLYSHOTLIST:++AUDIO AS INCOMING+++AP TELEVISION - AP CLIENTS ONLYWashington DC - 12 September 20161. Pan of new Trump Hotel set to open to guests Monday2. Various of protestors holding up signs outside...
Curated Video
The Renaissance Was it a Thing - Crash Course World History
In which John Green teaches you about the European Renaissance. European learning changed the world in the 15th and 16th century, but was it a cultural revolution, or an evolution? We'd argue that any cultural shift that occurs over a...
Be Smart
A Slice of Pizza Science!
How does math keep a folded slice from drooping? And what does pizza have to do with the speed of light?
TED Talks
TED: How economic inequality harms societies | Richard Wilkinson
We feel instinctively that societies with huge income gaps are somehow going wrong. Richard Wilkinson charts the hard data on economic inequality, and shows what gets worse when rich and poor are too far apart: real effects on health,...
SciShow
How Do These Creepy Eyeball Rocks Form?
Rocks or mineral crystals can often remind us of other things in our daily lives, but coming across some of THESE rocks might be one of the creepiest experiences a rockhound can have!
SciShow
The First Edible Bug Farm & The 9 Greatest Minds of 2014
SciShow News gives you the latest developments from the world of science, including some bug-number-crunching behind America's first edible-insect farm, and a look at the discoveries that won the 2014 Kavli Prize.
Curated Video
Liberals, Conservatives, and Pride and Prejudice Part 2: Crash Course Literature 412
This is it! The final episode of CC Literature season 4 is a deeper look at Jane Austen's Pride and Prejudice. Today we'll explore the novel's take on materialism, and we'll talk about whether the novel has a liberal or conservative...
TED Talks
Hans Rosling: Religions and babies
Hans Rosling had a question: Do some religions have a higher birth rate than others -- and how does this affect global population growth? Speaking at the TEDxSummit in Doha, Qatar, he graphs data over time and across religions. With his...
TED Talks
Nick Hanauer: The dirty secret of capitalism -- and a new way forward
Rising inequality and growing political instability are the direct result of decades of bad economic theory, says entrepreneur Nick Hanauer. In a visionary talk, he dismantles the mantra that "greed is good" -- an idea he describes as...
PBS
Will Space Travel Save Us All?
Space, also known as The Final Frontier, has been in our collective dreams and fantasies for decades. Who WOULDN'T want to blast into space, experience zero gravity, or walk on the moon?! But with limited funding to NASA, the day that...
Crash Course
Liberals, Conservatives, and Pride and Prejudice, Part 2: Crash Course Literature 412
This is it! The final episode of CC Literature season 4 is a deeper look at Jane Austen's Pride and Prejudice. Today we'll explore the novel's take on materialism, and we'll talk about whether the novel has a liberal or conservative...
TED Talks
TED: Does money make you mean? | Paul Piff
It's amazing what a rigged game of Monopoly can reveal. In this entertaining but sobering talk, social psychologist Paul Piff shares his research into how people behave when they feel wealthy. (Hint: badly.) But while the problem of...
TED Talks
TED: How to fix a broken heart | Guy Winch
At some point in our lives, almost every one of us will have our heart broken. Imagine how different things would be if we paid more attention to this unique emotional pain. Psychologist Guy Winch reveals how recovering from heartbreak...
Crash Course
Precipitation Reactions: Crash Course Chemistry
A lot of ionic compounds dissolve in water, dissociating into individual ions. But when two ions find each other that form an insoluble compound, they suddenly fall out of solution in what's called a precipitation reaction. In this...
TED Talks
Eugenia Cheng: An unexpected tool for understanding inequality: abstract math
How do we make sense of a world that doesn't? By looking in unexpected places, says mathematician Eugenia Cheng. She explains how applying concepts from abstract mathematics to daily life can lead us to a deeper understanding of things...
TED Talks
Alain de Botton: Atheism 2.0
What aspects of religion should atheists (respectfully) adopt? Alain de Botton suggests a "religion for atheists" -- call it Atheism 2.0 -- that incorporates religious forms and traditions to satisfy our human need for connection, ritual...
TED Talks
TED: The energy Africa needs to develop -- and fight climate change | Rose M. Mutiso
In this perspective-shifting talk, energy researcher Rose M. Mutiso makes the case for prioritizing Africa's needs with what's left of the world's carbon budget, to foster growth and equitably achieve a smaller global carbon footprint.
Crash Course
Theories of Global Stratification: Crash Course Sociology
Today we’ll discuss two theories of global stratification. First, we’ll go over modernization theory and Walt Rostow’s Four Stages of Modernization. Next, we’ll explain dependency theory, the legacy of colonialism, and Immanuel...
TED Talks
TED: The Panama Papers exposed a huge global problem. What's next? | Robert Palmer
On April 3, 2016 we saw the largest data leak in history. The Panama Papers exposed rich and powerful people hiding vast amounts of money in offshore accounts. But what does it all mean? We called Robert Palmer of Global Witness to find...
Crash Course
The Industrial Economy Crash Course US History
In which John Green teaches you about the Industrial Economy that arose in the United States after the Civil War. You know how when you're studying history, and you're reading along and everything seems safely in the past, and then BOOM...
TED Talks
Bjorn Lomborg: Global priorities bigger than climate change
Given $50 billion to spend, which would you solve first, AIDS or global warming? Danish political scientist Bjorn Lomborg comes up with surprising answers.