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What sleep deprivation does to the teenage brain - Wendy Troxel
Dig into how sleep deprivation affects the teenage body and brain, and what can be done to help adolescents get enough sleep.
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Sleep deprivation amon…
1 week, 1 day ago
What's the ideal sleeping position? - Rachel Marie E. Salas
Is there a best sleep position? Dig into how sleeping on your side, back, or stomach can impact your body and health.
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Sleep positions go by countles…
1 week, 1 day ago
Why Libya's revolution didn't succeed -- and what might - Zahra' Langhi
In Libya, Zahra' Langhi was part of the "days of rage" movement that helped topple the dictator Gaddafi. But -- then what? In their first elections, …
1 week, 1 day ago
How bathing led to Archimedes' principle - Mark Salata
View full lesson here: http://ed.ted.com/lessons/mark-salata-how-taking-a-bath-led-to-archimedes-principle
Stories of discovery and invention often be…
1 week, 2 days ago
Defining cyberwarfare...in hopes of preventing it - Daniel Garrie
View full lesson: http://ed.ted.com/lessons/defining-cyberwarfare-in-hopes-of-preventing-it-daniel-garrie
Can you imagine a future where wars are foug…
1 week, 2 days ago
Parkinson's, depression and the switch that might silence them - Andres Lozano
Deep brain stimulation is becoming very precise. This technique allows surgeons to place electrodes in almost any area of the brain, and turn them up…
1 week, 2 days ago
How much land does it take to power the world?
Explore the sustainability of fossil fuels, nuclear power, and renewable energy and how much space each of these power sources use.
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No matter how we…
1 week, 2 days ago
The evolution of timekeeping - 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 why are there so man…
1 week, 2 days ago
This is what happens in your brain when you struggle to recall a word - Cella Wright
Dig into what causes the tip of the tongue phenomenon, where your brain struggles to recall a word or term from memory.
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You’re sure you know your 3r…
1 week, 2 days ago
The greatest mathematician that never lived - Pratik Aghor
Dig into the mystery of Nicolas Bourbaki— one of the most influential mathematicians of all time… who never actually existed.
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When Nicolas Bourbaki …
1 week, 2 days ago