The sprawling-upright transition across mammal evolution, showing changes in posture and limb bone shape. The transition from sprawling (reptile-like) to more upright (parasagittal) posture and ...

Thin sections of 37 stenolamate species with soft parts within the skeletons unexpectedly reveal 10 variations in polypide anatomy and related methods of tentacle protrusion. Six of the variations ...

Researchers have created a method called optovolution that uses light to guide the evolution of proteins with dynamic behaviors. By engineering yeast cells so their survival depended on proteins ...

The rise of evolutionary biology -- Molecular and Mendelian genetics -- The evidence for evolution -- Natural selection and variation -- The theory of natural selection -- Random events in population ...

Not all pythons belong to one homogeneous group. Modern classification of snakes places the family Pythonidae under numerous ...