Biomedicine

The Cell Block

Dr. Hongyun’s operation has polarized those who hope to use stem and fetal cells to cure paralysis. See how this controversial surgery works.

Uh oh–you've read all five of your free articles for this month.

Insider Online Only

$19.95/yr US PRICE

Biomedicine

New technologies and biological insights are providing unprecedented ways of improving our health.

You've read of free articles this month.