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Photo Credits
- 1. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 2. (c) cjosefson, some rights reserved (CC BY-NC), uploaded by cjosefson
- 3. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 4. (c) Ben VanderWeide, some rights reserved (CC BY-NC), uploaded by Ben VanderWeide
- 5. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 6. (c) Stefan.lefnaer, some rights reserved (CC BY-SA)
- 7. (c) Katja Schulz, some rights reserved (CC BY)
- 8. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 9. (c) Stefano, some rights reserved (CC BY-NC-SA)
- 10. (c) Tim Haynes, some rights reserved (CC BY-NC-ND)
- 11. (c) Mr. Tonreg, some rights reserved (CC BY)
- 12. (c) Hörður Kristinsson, some rights reserved (CC BY-NC)
- 13. (c) Biopix, some rights reserved (CC BY-NC)
- 14. (c) Bryant Olsen, some rights reserved (CC BY-NC)
- 15. no rights reserved
- 16. (c) Jon Sullivan, some rights reserved (CC BY)
- 17. (c) c michael hogan, some rights reserved (CC BY-NC-SA), uploaded by c michael hogan
- 18. (c) 2008 Keir Morse, some rights reserved (CC BY-NC-SA)
- 19. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
- 20. (c) Emma Wynn, some rights reserved (CC BY-NC), uploaded by Emma Wynn
- 21. (c) Carol Jacobs-Carre, some rights reserved (CC BY-NC-ND)
- 22. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 23. (c) beautifulcataya, some rights reserved (CC BY-NC-ND)
- 24. (c) Mike Carroll, some rights reserved (CC BY-NC-SA)
- 25. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 26. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 27. (c) James K. Lindsey, some rights reserved (CC BY-SA)
- 28. (c) Frank Mayfield, some rights reserved (CC BY-SA)
- 29. (c) Earl McGehee, some rights reserved (CC BY-NC-ND)
- 30. (c) 2012 Gary A. Monroe, some rights reserved (CC BY-NC)
- 31. (c) Tony Frates, some rights reserved (CC BY-NC-SA)
- 32. (c) Jeff Thompson, some rights reserved (CC BY-NC), uploaded by Jeff Thompson
- 33. (c) tmercado, some rights reserved (CC BY-NC)
- 34. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
- 35. (c) Bas Kers, some rights reserved (CC BY-NC-SA)
- 36. (c) Rick Williams, some rights reserved (CC BY-NC), uploaded by Rick Williams
- 37. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)
- 38. (c) Stan Shebs, some rights reserved (CC BY-SA)
- 39. (c) 2006 James Morefield, some rights reserved (CC BY-NC-SA)
- 40. (c) freejinn, some rights reserved (CC BY-NC), uploaded by freejinn
- 41. (c) Paul Asman and Jill Lenoble, some rights reserved (CC BY)
- 42. (c) 2008 Gary A. Monroe, some rights reserved (CC BY-NC)
- 43. (c) 2006 Luigi Rignanese, some rights reserved (CC BY-NC)
- 44. (c) Dane Larsen, some rights reserved (CC BY-NC)
- 45. (c) J. N. Stuart, all rights reserved, uploaded by J. N. Stuart
- 46. (c) Kingsbrae Garden, some rights reserved (CC BY-NC-SA)
- 47. (c) eyeweed, some rights reserved (CC BY-NC-ND)
- 48. (c) Anna Armitage, some rights reserved (CC BY-NC-ND)
- 49. (c) Corey Lange, some rights reserved (CC BY-NC), uploaded by Corey Lange
- 50. (c) Gertrud K., some rights reserved (CC BY-NC-SA)
- 51. (c) Christopher Hynes (aka cricket), some rights reserved (CC BY-NC)
- 52. (c) George F Mayfield, some rights reserved (CC BY-SA)
- 53. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
- 54. (c) Thayne Tuason, some rights reserved (CC BY-NC)
- 55. (c) Andrew Hollander, some rights reserved (CC BY-NC-SA)
- 56. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
- 57. (c) Aaron Ellig, some rights reserved (CC BY-ND), uploaded by Aaron Ellig
- 58. (c) epicnom, some rights reserved (CC BY-NC)
- 59. (c) David Bygott, some rights reserved (CC BY-NC-SA)