Women of child-bearing age steadily run out of eggs by the continuous process of cell death. While reading a copy of the Guardian carefully from cover to cover, a normal woman will have lost on average two eggs - while, typically, a normal man will have made 70,000 new sperm.
Robert WinstonA young woman in her teens has about 300,000 eggs in her ovaries. By the time she is menopausal, none are left.
Robert WinstonI think that good parenting should allow children to be children. That naivety and slightly open way of looking at the world is very valuable.
Robert WinstonEthics is not routinely taught to science students except in medicine, and I think it should be.
Robert Winston