We know very little about the effect of space travel on the human psyche – but what we have learned so far suggests that it's profound.
This Sunday, June 16, marks the 50th anniversary of cosmonaut Valentina Tereshkova's 1963 trip to low Earth Orbit – a flight she made just two years after Yuri Gagarin became the first human in history to visit space.
Mae Jemison is nothing short of a scientific visionary. In the 1990s, when she was working as a medical doctor, she decided to try out for the Space Shuttle program. A few years later, she was an astronaut, doing medical experiments on the Space Shuttle and making history. After leaving NASA, she worked on developing…