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David Lang: My underwater robot

David Lang is a maker who taught himself to become an amateur oceanographer -- or, he taught a robot to be one for him. In a charming talk Lang, a TED Fellow, shows how he and a network of ocean lovers teamed up to build open-sourced, low-cost underwater explorers.nnTEDTalks is a daily video podcast

A guide to the energy of the Earth - Joshua M. Sneideman

View full lesson: http://ed.ted.com/lessons/a-guide-to-the-energy-of-the-earth-joshua-m-sneideman Energy is neither created nor destroyed — and yet the global demand for it continues to increase. But where does energy come from, and where does it go? Joshua M. Sneideman examines the many ways in wh

How did clouds get their names? - Richard Hamblyn

View full lesson: http://ed.ted.com/lessons/how-did-clouds-get-their-names-richard-hamblyn The study of clouds has always been a daydreamer’s science, aptly founded by a thoughtful young man whose favorite activity was staring out of the window at the sky. Richard Hamblyn tells the history of Luke

The language of lying — Noah Zandan

View full lesson: http://ed.ted.com/lessons/the-language-of-lying-noah-zandan We hear anywhere from 10 to 200 lies a day. And although we’ve spent much of our history coming up with ways to detect these lies by tracking physiological changes in their tellers, these methods have proved unreliable. I

Alugha & TED-Ed PreRoll EN

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How a wound heals itself - Sarthak Sinha

View full lesson: http://ed.ted.com/lessons/how-a-wound-heals-itself-sarthak-sinha Our skin is the largest organ in our bodies, with a surface area of about 20 square feet in adults. When we are cut or wounded, our skin begins to repair itself through a complex, well-coordinated process. Sarthak Si

What would happen if you didn’t sleep? - Claudia Aguirre

View full lesson: http://ed.ted.com/lessons/what-would-happen-if-you-didn-t-sleep-claudia-aguirre In the United States, it’s estimated that 30 percent of adults and 66 percent of adolescents are regularly sleep-deprived. This isn’t just a minor inconvenience: staying awake can cause serious bodily

Where did Earth’s water come from? - Zachary Metz

View full lesson: http://ed.ted.com/lessons/where-did-earth-s-water-come-from-zachary-metz Water covers over 70% of the Earth, cycling from the oceans and rivers to the clouds and back again. It even makes up about 60% of our bodies. But in the rest of the solar system, liquid water is almost impos

How computers translate human language - Ioannis Papachimonas

View full lesson: http://ed.ted.com/lessons/how-computers-translate-human-language-ioannis-papachimonas Is a universal translator possible in real life? We already have many programs that claim to be able to take a word, sentence, or entire book in one language and translate it into almost any othe

3 tips to boost your confidence - TED-Ed

View full lesson: http://ed.ted.com/lessons/3-tips-to-boost-your-confidence-ted-ed Made in partnership with the Always #LikeAGirl campaign. When faced with a big challenge where potential failure seems to lurk at every corner, you’ve probably heard the advice, “Be more confident!” But where does c