Edited by Carolyn Gritzmaker, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Marco Gaiani, some rights reserved (CC BY-NC-SA)
- 2. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 3. (c) cotinis, some rights reserved (CC BY-NC-SA)
- 4. (c) Linda Gail Price, some rights reserved (CC BY-NC), uploaded by Linda Gail Price
- 5. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 6. (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist
- 7. (c) Carolyn Gritzmaker, some rights reserved (CC BY-NC), uploaded by Carolyn Gritzmaker
- 8. (c) ~ Pil ~, some rights reserved (CC BY-NC-ND)
- 9. (c) Ian Boyd, some rights reserved (CC BY-NC)
- 10. (c) Anita, some rights reserved (CC BY-NC)
- 11. (c) Sean McCann, some rights reserved (CC BY-NC-SA)
- 12. (c) dougmino, some rights reserved (CC BY-NC-SA)
- 13. (c) Piet Spaans, some rights reserved (CC BY-SA)
- 14. (c) Royal Tyler, some rights reserved (CC BY-NC-SA), uploaded by Royal Tyler
- 15. (c) Paul Bedell, some rights reserved (CC BY-SA), uploaded by Paul Bedell
- 16. (c) Mick Talbot, some rights reserved (CC BY)
- 17. (c) Katja Schulz, some rights reserved (CC BY)
- 18. (c) Anita Gould, some rights reserved (CC BY-NC), uploaded by Anita Gould
- 19. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 20. (c) Francisco Farriols Sarabia, some rights reserved (CC BY), uploaded by Francisco Farriols Sarabia
- 21. (c) brian lee clements, some rights reserved (CC BY-NC)
- 22. (c) Martin Cooper, some rights reserved (CC BY)
- 23. (c) Lisa Brown, some rights reserved (CC BY-NC)
- 24. (c) Jimmy Smith, some rights reserved (CC BY-NC-ND)
- 25. (c) 106584015630019574849, some rights reserved (CC BY-NC-SA), uploaded by 106584015630019574849
- 26. (c) Whitney Cranshaw, Colorado State University, Bugwood.org, some rights reserved (CC BY)
- 27. (c) 104860852614073572279, some rights reserved (CC BY-NC-SA), uploaded by 104860852614073572279
- 28. (c) John Flannery, some rights reserved (CC BY-SA)
- 29. (c) Michael Schmidt, some rights reserved (CC BY-NC-SA)