Albert Lleal / Pollen of different species photographed under a microscope, Spain

Alex Hyde / Electron micrograph of dermal denticles on skin of a Dogfish shark (Scyliorhinus sp) dead specimen

Albert Lleal / Electron microscope view of bryozoan colony fragment isolated from beach sand, Formentera, Balearic Islands, Spain

Nick Hawkins / Live copepods (Calanus finmarchius) displayed on a microscope slide and photographed at the Bedford Institute of Oceanography, in Halifax, Nova Scotia, Canada.

Nick Hawkins / Live copepod (Calanus finmarchius) isolated in a single water drop and displayed on a microscope slide. Photographed at the Bedford Institute of Oceanography, in Halifax, Nova Scotia, Canada.

Nick Hawkins / Live copepods (Calanus finmarchius) displayed on a microscope slide and photographed at the Bedford Institute of Oceanography, in Halifax, Nova Scotia, Canada.

Nick Hawkins / Live copepods (Calanus finmarchius) displayed on a microscope slide and photographed at the Bedford Institute of Oceanography, in Halifax, Nova Scotia, Canada.

Nick Upton / Veterinarian Alexandra Tomlinson preparing Pine Marten (Martes martes) blood samples on microscope slides from animals trapped in Scottish woodland during a reintroduction project to Wales run by the...

Nick Upton / Veterinarian Alexandra Tomlinson prepares Pine marten (Martes martes) blood samples on microscope slides from animals trapped in Scottish woodland during a reintroduction project to Wales run by the V...

Floris van Breugel / High speed exposure of a Fruit fly (Drosophila melanogaster) taken through a microscope. In this image flight muscles express a genetically engineered protein called GCaMP, which fluoresces green in t...

Floris van Breugel / Fruit fly (Drosophila melanogaster) tethered in LED illuminated chamber which stimulates moving visual patterns. Behind the fly is a camera, which is used to record its wing beat amplitude a rough me...

Tui De Roy / Kakapo (Strigops habroptilus) biologist checking bird semen for artificial insemination, Codfish Island, Southland, New Zealand