Read more at: The 'ultimate' stem cell
The 'ultimate' stem cell
28 November 2016
In the earliest moments of a mammal’s life, the developing ball of cells formed shortly after fertilisation ‘does as mother says’ – it follows a course that has been pre-programmed in the egg by the mother. Extraordinary as this is, what happens then is even more remarkable. Just before implantation in the uterus, the ball...