A sea turtle’s shell is living bone fused directly to its spine and ribs. It is not a detachable shield or an external case, as certain quirky cartoons have shown. The shell grows with the turtle, ...

One hundred thousand years ago, a human cousin walked a rock- ribbed beach along the Mediterranean Sea, her head lowered and her large eyes scanning the shoreline. Now and again she stopped, bent her ...

Sea turtle shells record life history layer by layer over many years, clearly revealing diet, stress, movement, and ocean ...