Edited by Suzanne Bernard, irenebeanthesciencemachine, and Hayden Wright, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) eugenezakharov, some rights reserved (CC BY-NC), uploaded by eugenezakharov
- 2. (c) Sarah Gregg, some rights reserved (CC BY-NC-SA), uploaded by Sarah Gregg
- 3. (c) Sergey Mayorov, some rights reserved (CC BY-NC), uploaded by Sergey Mayorov
