Scientists grow mouse eggs from stem cells in lab

Japanese scientists said Monday they had grown mouse eggs entirely in the lab, then fertilised them to yield fertile offspring, a scientific first cautiously hailed by experts in human reproduction.

Initiating DNA repair

To find out what activates SIRT6, the researchers alternately applied chemical inhibitors to human skin cells to determine which proteins were essential in getting the gene to repair the broken DNA strands. They discovered ...

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