Paul D Stewart / Lithograph with contemporary colouring, continental version of the last wallchart produced by Benjamin Waterhouse Hawkins for the Department of Science and Art 1862. It is entitled 'Pachydermata and C...

Graham Eaton / Part of a submerged Holocene forest, revealed after a winter storm from beneath the sand at Hells Mouth (Porth Neigwl), Abersoch Wales, UK March 2014

Graham Eaton / Forest trees and peat, which were covered by the sea following the last ice age, exposed on beach at low tide, Borth, Wales. September.

Graham Eaton / Forest trees and peat, which were covered by the sea following the last ice age, exposed on beach at low tide, Borth, Wales. September.

Graham Eaton / Forest trees and peat, which were covered by the sea following the last ice age, exposed on beach at low tide, Borth, Wales. September.

Graham Eaton / Forest trees and peat, which were covered by the sea following the last ice age, exposed on beach at low tide, Borth, Wales. September.

Graham Eaton / Forest trees and peat, which were covered by the sea following the last ice age, exposed on beach at low tide, Borth, Wales. September.

Paul D Stewart / Lithograph with contemporary colouring, continental version of the wallchart produced by Benjamin Waterhouse Hawkins for the Department of Science and Art 1862. It includes elements of the fourth and...

Paul D Stewart / Skull of extinct lemur (Mesopropithecus dolichobrachion) with calcite surface crystalisation, discovered by the photographer in the Ankarana Caves of Northern Madagascar. Pictured on site in 1987, the...

Jenny E. Ross / Arctic tundra with frost-wedging features caused by repeated freeze-thaw processes in rocky soil, and surface water accumulation from melting permafrost. Wrangel Island, Siberian Arctic, Chukchi Sea,...

Jenny E. Ross / Arctic tundra with frost-wedging features caused by repeated freeze-thaw processes in rocky soil, and surface water accumulation from melting permafrost. Wrangel Island, Siberian Arctic, Chukchi Sea,...