
Looks suspiciously like The Knights who say Ni, minus the horns.
( ,
Sun 9 Mar 2008, 14:25,
archived)

minor TJ: news.bbc.co.uk/1/hi/health/7277967.stm
why has this kidney stone been photographed on someone's fingertip?
( ,
Sun 9 Mar 2008, 14:30,
archived)
why has this kidney stone been photographed on someone's fingertip?

Or to show the awesome power of man over puny kidney stones.
( ,
Sun 9 Mar 2008, 14:32,
archived)

in my day we used pennies, 5ps and london buses, not cellular level photographs of skin
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Sun 9 Mar 2008, 14:56,
archived)