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The most beautiful experience we can have is the mysterious. It is the fundamental emotion that stands at the cradle of true art and true science."

—Albert Einstein

Videos

The world's first "supercomputers" weren't machines—they were women. Like modern number-crunchers, these "kilo-girls" worked through complex problems.

In 1957, a Soviet street dog named Laika launched into space aboard Sputnik-2 and became the first animal to orbit the Earth. This is her story.