NPR News: VIDEO: 'Edutainer' Hans Rosling, Who Taught Us About The World, Has Died

VIDEO: 'Edutainer' Hans Rosling, Who Taught Us About The World, Has Died
With facts, toys and good humor, the Swedish doctor and statistician helped people understand what numbers tell us about the world.

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Làm đẹp Blog 247 February 8, 2017 at 11:50PM
Category Health & Science