We’ve brought you literary tattoos, math tattoos and librarian tattoos, but now it’s time to take a look at the tattoos of scientists. From astronomers to biologists and from physicists to geographers, these tattooees do a great job at representing the wide array of scientific pursuits.... READ ON

Working on the International Space Station means three things: it's crowded, you have to exercise to combat the effects of zero gravity, and your hair goes nuts. In this half-hour tour, Commander Sunita Williams shows us around the place during her final day onboard (back in November). It's utterly surreal -- it looks exactly what you'd expect a space station to look like, and Williams floats from section to section showing off the various areas, including the space toilet (just after the 9-minute... READ ON