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Where did timetelling come from What are time zones and why are there so many of them Get the answers to these questio...View full lesson
The elements had been listed and carefully arranged before Dmitri Mendeleev. They had even been organized by similar p...View full lesson
As political turmoil in Yemen continues the editorinchief of the Yemen Times Nadia AlSakkaf talks at TEDGlobal with ho...View full lesson
Adam Garone has an impressive moustache and its for a good cause. A cofounder of Movember Garones initiative to raise ...View full lesson
Fiorenzo Omenetto shares 20 astonishing new uses for silk one of natures most elegant materials in transmitting light...Alberto Cairos clinics in Afghanistan used to close down during active fighting. Now they stay open. In this powerful talk Cairo tells th...Filmed at TED 2012.
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