Human bone under Scanning Electron Microscope

Human bone under Scanning Electron Microscope : Low power SEM images, showing normal bone architecture in the third lumbar vertebra of a 30 year old woman

Caffeine crystals

Caffeine crystals by Annie Cavanagh and David McCarthy. This false-coloured scanning electron micrograph shows caffeine crystals. Caffeine is a bitter, crystalline xanthine alkaloid that acts as a stimulant drug.

Pollen from a Forget-me-not petal. The grains are some of the smallest found measuring just 0.006mm.

Not to be sneezed at! Microscopic images reveal the invisible enemies faced by hayfever sufferers

Gallery Snowflakes: A Fernlike Stellar Dendrite snowflake

Snowflakes under the microscope

Nakaya photographed thousands of snow crystals. Studying these photographs allowed him to develop a systematic classification system for snowflakes. In the end, he defined 41 individual morphological types. Above, a fernlike stellar dendrite.

Butterfly wing

/ C O L O U R / Butterfly scales. Coloured Scanning Electron Micrograph (SEM) of scales from the wing of a peacock butterfly, Inachis io.

Ascorbic acid (vitamin C) crystals | Brian Johnston

Ascorbic acid (Vitamin C) crystals by Brian Johnston. Honorable mention Nikon’s annual photomicroscopy competition]

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