Edited by Rachel Bosley and Alistair MacKenzie, M. Sc., some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Kris, some rights reserved (CC BY-NC), uploaded by Kris
- 2. (c)
James K. Lindsey, some rights reserved (CC BY-SA)
- 3. (c) V.S. Volkotrub, some rights reserved (CC BY-NC), uploaded by V.S. Volkotrub
- 4. (c) Gennadiy Okatov, some rights reserved (CC BY-NC), uploaded by Gennadiy Okatov
- 5. (c) Douglas Goldman, some rights reserved (CC BY), uploaded by Douglas Goldman
- 6. (c) Максим Исмайлов, some rights reserved (CC BY-NC), uploaded by Максим Исмайлов
- 7. (c) Elio Giacone, some rights reserved (CC BY-NC), uploaded by Elio Giacone
- 8. (c) Jason Headley, some rights reserved (CC BY-NC), uploaded by Jason Headley
- 9. (c) Kevin Thiele, some rights reserved (CC BY)
- 10. (c) Sarah Gregg, some rights reserved (CC BY-NC-SA), uploaded by Sarah Gregg
- 11. (c) natureguy, some rights reserved (CC BY-NC-ND), uploaded by natureguy
- 12. no rights reserved, uploaded by Gabe Schp
- 13. (c) Suzanne Cadwell, some rights reserved (CC BY-NC)
- 14. (c) Laura Rainbow Dragon, some rights reserved (CC BY-NC), uploaded by Laura Rainbow Dragon
- 15. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 16. (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar
- 17. (c) harum.koh, some rights reserved (CC BY-SA)
- 18. (c) Daniel Folds, some rights reserved (CC BY-NC), uploaded by Daniel Folds