Tracy Caldwell Dyson is an American chemist and NASA astronaut, or more specifically a Mission Specialist on Space Shuttle Endeavour flight STS-118 in August 2007. She was part of the Expedition 24 crew on the International Space Station between April 4, 2010 and September 25, 2010. To date, she has completed three spacewalks, logging more than 22 hrs of EVA including work to replace a malfunctioning coolant pump. Continue reading for more interesting photos from around the web.
15. Avengers Stunt Doubles
14. Inside a Real New Zealand Hobbit House at Sunset
13. Cross-Section of Golden Gate Bridge Cable
12. Terraced Balconies
11. Made from Insect Carcasses
10. Carrot Spectrum
9. Debbie (The Wild Thornberrys) Cosplayer
8. Trees Refracted in a Water Droplet
7. Purple Heart Wood
6. Titanium, Megalodon Tooth & Meteorite Fragment Ring
5. Gem Corn
