Do the bones of all Nile crocodiles have the same number of growth marks as their age? And can such growth rings be counted ...
The bones of "Antonio" under the microscope, showing the bone cells (black, circled dots): the fossilised bone tissues were analysed to infer the relative age of the dinosaur skeletons at the time of ...
Everyday things look quite different under a microscope - including the leaf of a southern live oak tree, pictured above. Jason Kirk, director of a microscope-imaging facility at Baylor College of ...
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