Edited by Renata Leite Pitman, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Anders Illum, some rights reserved (CC BY-NC-ND)
- 2. (c) Royal Tyler, some rights reserved (CC BY-NC-SA), uploaded by Royal Tyler
- 3. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 4. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
- 5. (c) psweet, some rights reserved (CC BY-SA), uploaded by psweet
- 6. (c) Michael Schmidt, some rights reserved (CC BY-NC-SA)
- 7. (c) Don Sutherland, some rights reserved (CC BY-NC), uploaded by Don Sutherland
- 8. (c) James Shelton, some rights reserved (CC BY-NC-SA), uploaded by James Shelton
- 9. (c) cotinis, some rights reserved (CC BY-NC-SA)
- 10. (c) Lena Zappia, some rights reserved (CC BY-NC), uploaded by Lena Zappia
