TED Talks
Asher Hasan: My message of peace from Pakistan
One of a dozen Pakistanis who came to TEDIndia despite security hassles entering the country, TED Fellow Asher Hasan shows photos of ordinary Pakistanis that drive home a profound message for citizens of all nations: look beyond...
TED-Ed
TED-Ed: How do oysters make pearls? | Rob Ulrich
Despite their iridescent colors and smooth shapes, pearls are actually made of the exact same material as the craggy shell that surrounds them. Pearls, urchin spines, the shells of mussels, snails and clams, even coral— all these...
TED Talks
Hans Rosling: Asia's rise -- how and when
Hans Rosling was a young guest student in India when he first realized that Asia had all the capacities to reclaim its place as the world's dominant economic force. At TEDIndia, he graphs global economic growth since 1858 and predicts...
TED Talks
Hans and Ola Rosling: How not to be ignorant about the world
How much do you know about the world? Hans Rosling, with his famous charts of global population, health and income data (and an extra-extra-long pointer), demonstrates that you have a high statistical chance of being quite wrong about...
SciShow
The Deep-Sea Snail with an Iron Shell
Deep in the Indian Ocean, scientists have discovered a snail whose feet are covered in iron scales, but how it builds these scales is a bit of a mystery.
Crash Course
Like Pale Gold - The Great Gatsby Part I: Crash Course English Literature
In which John Green explores F. Scott Fitzgerald's novel of the Jazz Age, The Great Gatsby. John introduces you to Nick Carraway, Jay Gatsby, Daisy and Tom Buchanan, and the other characters in the novel, and tries to look beyond the...
TED-Ed
TED-Ed: The most notorious scientific feud in history | Lukas Rieppel
After the California Gold Rush of 1848, settlers streamed west to strike it rich. In addition to precious metals, they unearthed another treasure: dinosaur bones. Two wealthy scientists in particular— Othniel Charles Marsh and Edward...
TED-Ed
TED-Ed: Does trickle-down economics actually work? | Jonathan Smith
In 1981, the US economy was struggling: unemployment rates were climbing and inflation had peaked at an all-time high. To combat these issues, President Reagan introduced a number of economic policies, including tax cuts for large...
TED-Ed
TED-Ed: What would it be like to live on the moon? - Alex Gendler
The European Space Agency is hoping to establish an inhabited research base on the moon by the 2020s. But living in this "moon camp" won't be easy. How will humans deal with the cosmic radiation? What will the inhabitants eat? And what's...
TED Talks
Simon Anholt: Which country does the most good for the world?
It's an unexpected side effect of globalization: problems that once would have stayed local—say, a bank lending out too much money—now have consequences worldwide. But still, countries operate independently, as if alone on the planet....
Crash Course
Jupiter's Moons
Before moving on from Jupiter to Saturn, we’re going to linger for a moment on Jupiter’s moons. There are 67 known moons, and 4 huge ones that we want to explore in greater detail. Ganymede is the largest - larger, in fact, than any...
SciShow
Why Does Rain Smell?
Almost everyone loves the smell of rain, but where does the smell come from? Join Quick Questions as we stop and smell the chemistry!
TED-Ed
TED-Ed: The fascinating history of cemeteries - Keith Eggener
Spindly trees, rusted gates, crumbling stone, a solitary mourner: these things come to mind when we think of cemeteries. But not long ago, many burial grounds were lively places, with gardens and crowds of people -- and for much of human...
Crash Course
Productivity and Growth: Crash Course Economics
Why are some countries rich? Why are some countries poor? In the end it comes down to Productivity. This week on Crash Course Econ, Adriene and Jacob investigate just why some economies are more productive than others, and what happens...
TED Talks
TED: We can make COVID-19 the last pandemic | Bill Gates
Building a pandemic-free future won't be easy, but Bill Gates believes that we have the tools and strategies to make it possible -- now we just have to fund them. In this forward-looking talk, he proposes a multi-specialty Global...
SciShow
3 Ways Money Could Buy You Happiness
Money can’t directly buy happiness, but there are ways you can spend it that might help.
TED Talks
Bill Gates: Innovating to zero!
At TED2010, Bill Gates unveils his vision for the world's energy future, describing the need for "miracles" to avoid planetary catastrophe and explaining why he's backing a dramatically different type of nuclear reactor. The necessary...
MinuteEarth
This Country Has Something Everyone Else Wants
Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/ Morocco has 3/4 of the world’s known reserves of rock phosphate, our main source of phosphorus, so Morocco may be key to our long-term ability...
TED-Ed
TED-ED: Mansa Musa, one of the wealthiest people who ever lived - Jessica Smith
Mansa Musa, the 14th century African king of the Mali Empire, is said to have amassed a fortune that possibly made him one of the wealthiest people who ever lived. Jessica Smith tells the story of how Mansa Musa literally put his empire...
MinuteEarth
The Bird Poop That Changed The World
Thanks to my grandmother for inspiring this story, and to my mother for helping make it. Bird poop was the gateway fertilizer that turned humanity onto the imported-chemical-based farming system of modern agriculture....
SciShow
Fairy Rings
Hank noticed something mysterious in the park one day. Fairy rings: are they mystical portals to another realm? Or could there be another, more scientific, explanation?
Crash Course
The Silk Road and Ancient Trade Crash Course World History
The Silk Road and Ancient Trade: In which John Green teaches you about the so-called Silk Road, a network of trade routes where goods such as ivory, silver, iron, wine, and yes, silk were exchanged across the ancient world, from China to...
Crash Course
The Silk Road and Ancient Trade: Crash Course World History
The Silk Road and Ancient Trade: In which John Green teaches you about the so-called Silk Road, a network of trade routes where goods such as ivory, silver, iron, wine, and yes, silk were exchanged across the ancient world, from China to...