Stem cells beging to transform into different types of cells in the human body in a process known as cell

Medical treatment very useful types of cells in the human body in a process known as cell

Size and shape of continents

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11