The leaves and flowers of plants are all formed of a frame-work, beautiful and delicate in the extreme, composed of woody fiber, corresponding to the skeleton of animals; and between the ...

Love them or hate them, snakes are biologically fascinating. This image shows the skeleton of a corn snake. Its flexible spine and jaws allow it to eat animals like mice and rats that you would never ...

This vivid chameleon embryo has been stained to highlight the bones and cartilage of its skeleton. You can also see some of its developing internal organs. This vivid chameleon embryo has been stained ...