How to unboil an egg – Eleanor Nelsen
View full lesson: http://ed.ted.com/lessons/how-to-unboil-an-egg-eleanor-nelsen It’s so obvious that it’s practically proverbial: yo...
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What really happens to the plastic you throw away – Emma Bryce
View full lesson: http://ed.ted.com/lessons/what-really-happens-to-the-plastic-you-throw-away-emma-bryce We’ve all been told that we...
Why is biodiversity so important? – Kim Preshoff
View full lesson: http://ed.ted.com/lessons/why-is-biodiversity-so-important-kim-preshoff Our planet’s diverse, thriving ecosystems...
How to spot a counterfeit bill – Tien Nguyen
View full lesson: http://ed.ted.com/lessons/how-to-spot-a-counterfeit-bill-tien-nguyen Authentic dollar bills are equipped with many...
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What’s the difference between accuracy and precision? – Matt Anticole
View full lesson: http://ed.ted.com/lessons/what-s-the-difference-between-accuracy-and-precision-matt-anticole When we measure thing...
Why are manhole covers round? – Marc Chamberland
View full lesson: http://ed.ted.com/lessons/why-are-manhole-covers-round-marc-chamberland Why are most manhole covers round? Sure it...
The science of static electricity – Anuradha Bhagwat
View full lesson: http://ed.ted.com/lessons/the-science-of-static-electricity-anuradha-bhagwat We’ve all had the experience: you’re...
How brass instruments work – Al Cannon
View full lesson: http://ed.ted.com/lessons/how-brass-instruments-work-al-cannon What gives the trumpet its clarion ring and the tub...
Eye vs. camera – Michael Mauser
View full lesson: http://ed.ted.com/lessons/eye-vs-camera-michael-mauser Your eyes don’t always capture the world exactly as a video...