112K views · 825 reactions | On April 12th 1961, Russian cosmonaut Yuri Gagarin became the first man in space, when little was known about the effects spaceflight would have on him. These days, astronauts spend a lot longer in space than Gagarin did, and the effects add up over time. The Economist explains how space flight affects the human body | The Economist | Facebook

78K views · 1K reactions | On International Day of Human Space Flight, a look at the life of Russian cosmonaut Yuri Gagarin, the first person to enter outer space. | Reuters | Facebook