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...
Curated Video
Davis vows to protect EU citizens in UK after Brexit
UK Brexit Secretary David Davis has pledged to protect European Union citizens living in Britain following its departure from the EU.In a speech at the Conservative Party's annual conference in Birmingham on Sunday, he emphasised however...
Curated Video
Candidates Both Pleased with Debate Outcome
Donald Trump and Hillary Clinton told reporters and supporters that they were happy with the outcome of the first presidential debate in Hempstead, New York. Trump spoke in the spin room immediately following the debate, saying he...
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,...
TED Talks
TED: The real reason manufacturing jobs are disappearing | Augie Picado
We've heard a lot of rhetoric lately suggesting that countries like the uS are losing valuable manufacturing jobs to lower-cost markets like China, Mexico and Vietnam -- and that protectionism is the best way forward. But those jobs...
TED Talks
Susan Shaw: The oil spill's toxic trade-off
Break down the oil slick, keep it off the shores: that's grounds for pumping toxic dispersant into the Gulf, say clean-up overseers. Susan Shaw shows evidence it's sparing some beaches only at devastating cost to the health of the deep sea.
Crash Course
How Does Language Move? Crash Course Geography
While we can’t explore every cultural trait in the world, language is an important system of spoken, signed, or written symbols humans use to express themselves. It’s a major marker of identity that often unites members of the same...
TED Talks
Paul Collier: The "bottom billion"
Around the world right now, one billion people are trapped in poor or failing countries. How can we help them? Economist Paul Collier lays out a bold, compassionate plan for closing the gap between rich and poor.
SciShow
The Bacon Hoax & the Next REAL Food Shortage
Hank eases our minds about the alleged bacon shortage, and informs us of some actual meat shortages we may see the effects of in the coming years.