[sten]

interesting

[telescope115]

The human liver can regenerate itself-to a point. I know scientists are trying to figure out how that works, so it can replicate itself. I know there is a lizard that can grow a new tail.

It would be wonderful if we humans could grow a new limb, or a new organ if needed.

[Buttons12]

We could use a few extra decades to help figure things out in life, and time to apply the wisdom.