Hack the germline.

https://en.m.wikipedia.org/wiki/He_Jiankui_affair

On Apr 23, 2021, at 6:12 AM, Prof David West <[email protected]> wrote:

Can human beings evolve?

Was reading about Pepper Moths in England during the Industrial Revolution. 
(population genetics)

Population was white with dark spots and the occasional dark colored moth was 
easy prey.
Pollution killed lichen and caused the trees (moth's habitat) to be covered in 
soot, turning them dark.
Population of black moths went from 2% in 1848 to 95% by 1895.

Is is possible for humans to evolve in response to climate change in a similar 
way? more general prevalence of melanin, craving for spicy hot food?

Of course moths used many generations to achieve their change and their 
lifespan is a fraction of a humans, so extinction is more likely than 
adaptation. But, is it at least possible in principle?

davew

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