In a first, scientists create synthetic embryos in lab without sperm or eggs - Times Now

The team from Weizmann Institute of Science grew a synthetic embryo model solely from naive mouse stem cells that had been cultured for years in a petri dish, dispensing with the need for starting with a fertilised egg.

The synthetic models developed normally until day 8.5 -- nearly half of the mouse's 20-day gestation -- at which stage all the early organ progenitors had formed, including a beating heart, blood ste… [+89 chars]

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