Logarithms, Explained – Steve Kelly
View full lesson: http://ed.ted.com/lessons/steve-kelly-logarithms-explained What are logarithms and why are they useful? Get the ba...
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The History of Keeping Time – Karen Mensing
View full lesson: http://ed.ted.com/lessons/the-history-of-keeping-time Where did time-telling come from? What are time zones and wh...
Music as a language – Victor Wooten
View full lesson: http://ed.ted.com/lessons/victor-wooten-music-as-a-language Music is a powerful communication tool–it causes...
How do nerves work? – Elliot Krane
View full lesson: http://ed.ted.com/lessons/how-do-nerves-work At any moment, there is an electrical storm coursing through your bod...
How big is infinity? – Dennis Wildfogel
View full lesson: http://ed.ted.com/lessons/how-big-is-infinity Using the fundamentals of set theory, explore the mind-bending conce...
How Two Decisions Led Me to Olympic Glory – Steve Mesler
View full lesson: http://ed.ted.com/lessons/how-two-decisions-led-me-to-olympic-glory From setback and injury to an Olympic gold med...
The Survival of the Sea Turtle
Watch the miraculous journey of infant sea turtles as these tiny animals run the gauntlet of predators and harsh conditions. Then, i...
Electric Vocabulary
We all know the words around electricity, “charge,” “positive,” “battery”, and more. But where d...
The case against “good” and “bad” – Marlee Neel
View full lesson: http://ed.ted.com/lessons/the-case-against-good-and-bad Don’t take the easy route! Instead, use this little...
Calculating The Odds of Intelligent Alien Life – Jill Tarter
View full lesson: http://ed.ted.com/lessons/calculating-the-odds-of-intelligent-alien-life Could there be intelligent life on other...