The science of skin color
When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it’ll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the slightest change. What’s to account for that difference, and how did our skin come to take on so many different hues to begin with? Angela Koine Flynn describes the science of skin color.
Lesson by Angela Koine Flynn, animation by Tomás Pichardo-Espaillat.
View full lesson: https://ed.ted.com/lessons/the-scienc…[Source: Ted-Ed YouTube link]
October 03, 2017
October 01, 2017
September 29, 2017
September 24, 2017