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Polar bear with detail of the skin and fur, and SEM scale detail of guard hairs. Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books).

Atlantic cod Gadus morhua with curved tail Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books).

Sedum Ice plant Stonecrop Hylotelephium spectabile sketchbook study

Snowflake pen and ink line drawing of one single snowflake, based on the photograph taken through a microscope by Michael Peres

Snowflake pen and ink line drawing of one single snowflake, based on the photograph taken through a microscope by Michael Peres

Snowflake illustration line drawing based on photo through the microscope of one snowflake by Michael Peres

Snowflake illustration line drawing based on photo through the microscope of one snowflake by Michael Peres

Freezing effects on plant cell anatomy diagram showing how low temperatures can destroy a plant cell wall

Baikal seal Pusa sibirica cut to white showing mottled skin