In 1827, with the discovery of the human ovum, the mistaken biology of Aristotle was discredited. Scientists increasingly understood that the union of sperm and egg at conception produces a new ...

NIS 2,711) a month and accommodation in exchange for surrogacy.Journeying to the trafficking farmThe woman alleged she was ...

The technique could combat infertility, but it's still not clear whether these eggs are normal and functional. Amid cuts to federal funding, US universities tighten budgets, forcing PhD students and ...

Two weeks after a human egg is fertilized, primordial germ cells (PGCs), which develop into sperm and eggs, are formed. In six to 10 weeks after fertilization, PGCs differentiate into pro ...

The line of stem cells that was developed from that monkey egg has proven to be as valuable and as robust as stem cells from leftover fertilized human eggs [from fertility clinics]. NOVA ...