arte · fotografia · natura


B0006208 Urea crystals
This vibrant image wouldn’t look out of place on the wall of a modern art gallery, but the true nature of it might surprise you.
Far from being the result of a vivid paint palette, or an energetic collage, this image is actually a polarised light micrograph of crystals of urea, taken by Spike Walker
If you’re not familiar with urea, it’s the waste product produced in the liver to remove toxic ammonia from the body …read more on WELLCOME


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