CNN's Bianna Golodryga speaks to Steven Johnson, author of "Extra Life: A Short History of Living Longer," about some of the discoveries and innovations that have led to the average human life expectancy almost doubling over the last century.
원문출처 : https://www.cnn.com/videos/health/2021/05/31/steven-johnson-human-life-expectancy-amanpour-vpx.cnn
원문출처 : https://www.cnn.com/videos/health/2021/05/31/steven-johnson-human-life-expectancy-amanpour-vpx.cnn