Olga Kamenskaya / Ice fragment reflected in the ice of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Ice fragment reflected in the ice of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Ice fragment on crack in Lake Baikal ice, Siberia, Russia, March.

Juan Carlos Munoz / Albacore / Longfin tuna (Thunnus alalunga) caught fish, tails on ice. Santona, Cantabria, Spain. August 2011.

David Fleetham / Trumpetfish (Aulostomus maculatus) swimming behind Yellow boxfish (Ostracion cubicus) as a blind to ambush prey. Yap, Micronesia.

David Fleetham / Spotted boxfish (Ostracion meleagris) swimming above sea floor. Hawaii.

John Cancalosi / Sanidine, high temperature form of potassium feldspar, K(AlSi3O8), from near Beaverdell, British Columbia, Canada

John Cancalosi / Sanidine, high temperature form of potassium feldspar, K(AlSi3O8), from near Beaverdell, British Columbia, Canada

Suzi Eszterhas / Sea Otter (Enhydra lutris) rescued three month old orphaned pup chewing on ice cubes, Alaska SeaLife Center, Seward, Alaska