Ian Smyth, Wellcome Images
The West African Gaboon viper conceals itself on the leaf-littered forest floor thanks to patterning that makes the contours of its body tough to spot.
A three-dimensional image of a fetal mouse kidney, in which the green marks proteins that make up the body of the kidney, and the red marks proteins of the duct system.
| November 14, 2012
Ian Smyth, Wellcome Images
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