The Groundbreaking Life of the First Black Astronaut. In 1966, Robert Lawrence, Jr. was selected for a space program you've never heard of.

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A Hubo Humanoid Robot Carried the Olympic Torch in Daejon, South Korea, on Monday. It showed off a bit by cutting a hole through a wall to pass the torch on.

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The Little Blue Pill: An Oral History of Viagra. A trial of the blood pressure medicine sildenafil had a strange side effect that made it world-famous.

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Banner Ladies: The Human Billboards of Yesteryear. Looking back on a peculiar advertising trend of the 1870s.

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The Surprising History of the Kimono. It went from simple body covering to cultural icon during the Edo period.

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Confessions of a Star Wars Nerd. No matter how much of a fan you consider yourself, there is always someone who will out-geek you.

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Incredible Photographs of a Doomed 1914 Antarctic Expedition. Over two years, they lived on a ship, on ice, and on an island before they could leave.