TED Talks
The multidimensional magic of modern maps | Peter Wilczynski
New ReviewMaps have long helped us understand the world — now, they can help us shape it. Digital cartographer Peter Wilczynski introduces the Living Globe: a real-time, data-rich digital twin of Earth that fuses satellite imagery, sensor data and...
TED Talks
Climate progress isn't a sprint — it's a marathon | Greg De Temmerman
Fighting climate change is much like long-distance running: a complex journey filled with obstacles, fast-changing conditions and the need for constant adaptation. Drawing on his own experience as an ultramarathon runner, energy expert...
TED-Ed
The history of the world according to rats | Max G. Levy
Today, rats are often regarded as the most successful invasive species in the world. The most common species of rat scurried onto the scene roughly 1 to 3 million years ago in Asia. There, they craftily survived Earth’s most recent ice...
PBS
Why many in Gen Z are ditching college for training in skilled trades
As the average cost of college in the United States soars, more young people are being drawn to skilled trades. It’s part of a career rethink among members of Gen Z, who have been called the “toolbelt generation.” Special correspondent...
PBS
Ghana becomes dumping ground for the world’s unwanted used clothes
An estimated 20 million people are thought to earn their livelihoods in the global waste industry by collecting, disposing, repairing or repurposing a wide range of materials and products. However, the cost and consequences of handling...
PBS
Did An Ancient Pathogen Reshape Our Cells?
There is one - and only one - group of mammals that doesn’t have alpha-gal: the catarrhine primates, which are the monkeys of Africa and Asia, the apes, and us.
TED Talks
TED: Mangroves, storm walls and other ways to protect coasts from climate change | Dave Sivaprasad
Nearly 40 percent of humanity lives near a coast -- and no two coasts are the same. How can these communities build resilience to the increasing risks of climate change? Climate advisor Dave Sivaprasad outlines how to tackle this complex...
PBS
Goldman Sachs Part I
Paul Solman examines the inner workings of investment powerhouse Goldman Sachs and how it makes money. ( Part 1)
PBS
Coronavirus Pandemic Finally Hits Home For The United Kingdom
In the United Kingdom just days ago, the attitude toward the novel coronavirus pandemic was “keep calm and carry on.” Now, however, the stakes are higher -- and the national feeling more grim. Prime Minister Boris Johnson has ordered...
PBS
Texas on the front lines of NAFTA negotiations
President Donald Trump announced this week his plan to renegotiate NAFTA, a free trade agreement with Canada and Mexico, citing a loss of jobs in the U.S. But many business owners and politicians in Texas, which shares a border with...
Crash Course
Commerce, Agriculture, and Slavery: Crash Course European History
We've been talking a lot about kings, and queens, and wars, and religious upheaval for most of this series, but let's take a moment to zoom out, and look at the ways that individuals' lives were changing in the time span we've covered so...
Crash Course
Venice and the Ottoman Empire Crash Course World History
In which John Green discusses the strange and mutually beneficial relationship between a republic, the citystate of Venice, and an Empire, the Ottomans--and how studying history can help you to be a better boyfriend and/or girlfriend....
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
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...
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...
Curated Video
Venice and the Ottoman Empire: Crash Course World History
In which John Green discusses the strange and mutually beneficial relationship between a republic, the citystate of Venice, and an Empire, the Ottomans--and how studying history can help you to be a better boyfriend and/or girlfriend....
Crash Course
Columbus, de Gama, and Zheng He! 15th Century Mariners. Crash Course World History
In which John Green teaches you about the beginning of the so-called Age of Discovery. You've probably heard of Christopher Columbus, who "discovered" America in 1492, but what about Vasco da Gama? How about Zheng He? Columbus gets a bad...
TED Talks
TED: How megacities are changing the map of the world | Parag Khanna
I want you to reimagine how life is organized on earth, says global strategist Parag Khanna. As our expanding cities grow ever more connected through transportation, energy and communications networks, we evolve from geography to what he...
TED Talks
TED: The hidden opportunities of the informal economy | Niti Bhan
Niti Bhan studies business strategy for Africa's informal markets: the small shops and stands, skilled craftspeople and laborers who are the invisible engine that keeps the continent's economy running. It's tempting to think of these...
Crash Course
The War of 1812 - Crash Course US History
In which John Green teaches you about the War of 1812. The War of 1812 was fought between the United States and its former colonial overlord England. It started in, you guessed it 1812. The war lasted until 1815, and it resolved very...
TED Talks
Jonathan Foley: The other inconvenient truth
A skyrocketing demand for food means that agriculture has become the largest driver of climate change, biodiversity loss and environmental destruction. Jonathan Foley shows why we desperately need to begin "terraculture" -- farming for...
Crash Course
Int'l Commerce, Snorkeling Camels, and The Indian Ocean Trade: Crash Course World History
In which John Green teaches you the history of the Indian Ocean Trade. John weaves a tale of swashbuckling adventure, replete with trade in books, ivory, and timber. Along the way, John manages to cover advances in seafaring technology,...
TED Talks
TED: How Syria's architecture laid the foundation for brutal war | Marwa Al-Sabouni
What caused the war in Syria? Oppression, drought and religious differences all played key roles, but Marwa Al-Sabouni suggests another reason: architecture. Speaking to us over the Internet from Homs, where for the last six years she...
Curated Video
Globalization II - Good or Bad?: Crash Course World History
In which John asks whether globalization is a net positive for humanity. While the new global economy has created a lot of wealth, and lifted a lot of people out of poverty, it also has some effects that aren't so hot. Wealth disparity,...