Joe Cornish / 2020VISION / Eroded rock on summit of Cul Mor with Suilven mountain in the background, Assynt mountains, Highland, Scotland, UK, June 2011. Did you know? The mountains of north-west Scotland chart nearly 3 billion...

Jouan & Rius / Multicoloured earths of Landmannalaugar, volcanic massif, Iceland 2005

Nick Upton / Footprints of Wigeon (Anas peneolope) on tidal mudflats, Severn estuary, Somerset, UK, March.

Dr. Axel Gebauer / Bacteria - iron and manganese oxidizers and their complementary reducers, in the mud of an empty fish pond, Upper Lusatia Heath and Pond Landscape, Upper Lusatia UNESCO Biosphere Reserve, Germany

Dr. Axel Gebauer / Bacteria - iron and manganese oxidizers and their complementary reducers, in the mud of an empty fish pond, Upper Lusatia Heath and Pond Landscape, Upper Lusatia UNESCO Biosphere Reserve, Germany

Dr. Axel Gebauer / Bacteria - iron and manganese oxidizers and their complementary reducers, in the mud of an empty fish pond, Upper Lusatia Heath and Pond Landscape, Upper Lusatia UNESCO Biosphere Reserve, Germany

Claudio Contreras / African horned viper (Cerastes cerastes), captive.

Claudio Contreras / African horned viper (Cerastes cerastes), captive.

Ernie Janes / Top soil blowing from coastal fields during dry weather Sherringham, Norfolk, April

Bernard Castelein / Three-eyed lizard (Chalaradon madagascariensis) Reniala Nature Reserve, Ifaty, Madagascar

Franco Banfi / Green anaconda (Eunectes murinus) underwater in Formoso River, Bonito, Mato Grosso do Sul, Brazil

Paul D Stewart / Copperplate print of human scrotum by Proud in R. Brookes 1763 'The Natural History of Waters, Earths, Stones, Fossils and Minerals etc.'; it seems to have been copied directly from Plot's 1677 plate...