Crash Course
How Are Cities Organized? Crash Course Geography
Today we’re going to take a closer look at cities, examine how these large complex structures are organized, and identify patterns and differences in land use around the world. We'll begin with a quick recap of Central Place Theory, then...
Veritasium
Is Dust Mostly Dead Skin?
Around half of airborne dust particles under 100um are skin scales. This is true for climates, regions and seasons where people live mostly indoors. The 1 to 2g of skin scales shed each 24 hours will end up in places where people are...
Curated Video
Why LGBTQ rights hinge on the definition of "sex" | 2020 Election
Without federal legislation, the fight against LGBTQ discrimination has been waged in the courts and the White House. Watch more 2020 US election explainers at http://vox.com/ElectionVideos. The US Civil Rights Act of 1964 originally...
Curated Video
When disasters and conflicts collide: Colombia
Displaced by fighting then by mudslides, Colombians struggle to rebuild Luz Alba Ortiz sobbed, her head in her hands, as she recalled the day her parents were washed away in a deluge of mud that hit the Colombian rainforest town of Mocoa...
TED-Ed
The Lovable (and Lethal) Sea Lion
What lives in the ocean, has ears, walks on all fours, and can reach a top speed of 18 miles an hour? Why, the sea lion, of course! A cute, animated video introduces viewers to the majestic aquatic mammal.