Remarkable metals, how shape memory alloys work - Ainissa Ramirez

Every day, we use materials from the earth without thinking, for free. But what if we had to pay for their true value: would it make us more careful about what we use and what we waste? Think of Pavan Sukhdev as nature's banker -- assessing the value of the Earth's assets. Eye-opening charts will m…

An animated interpretation of William Shakespeare's poem "All the World's a Stage"Uploaded 02-02-19--For an analysis of this poem, watch this video: http://bit.ly/TEDEdShakespeareAnalysisThis animation is part of our series, "There's a Poem for That," which features animated interpretations of poem…

View full lesson: http://ed.ted.com/lessons/music-and-creativity-in-ancient-greece-tim-hansenYou think you love music? You have nothing on the Ancient Greek obsession. Every aspect of Greek life was punctuated by song: history, poetry, theater, sports and even astronomy. In fact, music was so impor…

Learn the story of the WWII student resistance group, called the White Rose, fighting against Hitler in Nazi Germany. --In 1943, Allied aircraft rained tens of thousands of leaflets on Nazi Germany below. The leaflets urged readers to renounce Hitler, to fight furiously for the future— and to never…