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Meet the Wisconsin botanists whose work is truly out of this world

On April 12, 1961, Yuri Gagarin opened his lunchbox. Inside, he had three aluminum tubes, two filled with pureed meat and one with chocolate sauce. A peculiar lunch, indeed, but for Gagarin it was a peculiar day. He was in the middle of the first human spaceflight, and his less-than exciting spread was the first meal consumed in space.