July 25
Posted in White History on Jul 25th, 2011
1997 American professor of gynecology and obstetrics John D. Gearhart announced that for the first time human stem cells had been cultured in a laboratory, using tissue taken from aborted human embryos. 1984 Soviet cosmonaut Svetlana Savitskaya became the first woman to walk in space as she carried out more than three hours of experiments [...]