Author: TED-Ed

How the heart actually pumps blood – Edmond Hui

TED-Ed View full lesson: http://ed.ted.com/lessons/how-the-heart-actually-pumps-blood-edmond-hui For most of history, scientists weren’t quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs serve the vital...

What is the tragedy of the commons? – Nicholas Amendolare

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-is-the-tragedy-of-the-commons-nicholas-amendolare Is it possible that overfishing, super germs, and global warming are all caused by the same thing? In 1968, a man named Garrett Hardin...

Why the octopus brain is so extraordinary – Cláudio L. Guerra

View full lesson: http://ed.ted.com/lessons/why-the-octopus-brain-is-so-extraordinary-claudio-l-guerra Octopuses have the ability to solve puzzles, learn through observation, and even use tools – just like humans. But what makes octopus intelligence so amazing is that it comes from...

What is abstract expressionism? – Sarah Rosenthal

View full lesson: http://ed.ted.com/lessons/could-just-anyone-make-a-jackson-pollock-painting-sarah-rosenthal If you visit a museum with a collection of modern and contemporary art, you’re likely to see works that sometimes elicit the response, “My cat could make that, so how...

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