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皮肤颜色的科学 - 安吉拉·科林·弗林
3,574,567 views |
Angela Koine Flynn |
TED-Ed
• February 2016
Read transcript
完整课程:https://ed.ted.com/lessons/the-science-of-skin-color-angela-koine-flynn 当紫外线照射到皮肤上, 它对我们的影响因人而异。取决于肤色,一个人只需在阳光下暴露几分钟,就会晒成甜菜根似的红色,而另一些人,需要几小时的暴露才能体现轻微的肤色改变。到底怎样解释这种差异呢?我们的皮肤又是怎样呈现出如此多不同的肤色呢?讲授:安吉拉·科林·弗林讲授,动画制作:托马斯·皮查多·艾斯派亚。
science
genetics
evolution
biology
race
humanity
TED-Ed
human body
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