Scientists double life expectancy for embryos in petri dishes, raising ethical concerns - Chicago Tribune

Chicago Tribune
Scientists double life expectancy for embryos in petri dishes, raising ethical concerns
Chicago Tribune
Dozens of packages containing frozen embryonic stem cells remain in liquid nitrogen in a laboratory, at the Univestiry of Sao Paulo's human genome research center, in Sao Paulo, Brazil. Dozens of packages containing frozen embryonic stem cells remain ...
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Scientists grow human embryos outside of womb for 13 days. Ethic