Techniques developed to study the distant past—from dating ancient artifacts to reconstructing climate records in ice ...

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

The radiated tortoise in Madagascar faces extinction due to poaching and illegal trade despite its long lifespan and unique ...

Learn how researchers use archaeological techniques to show how sea turtle shells grow in layers that capture chemical clues ...

Cartoons often suggest turtles wear shells like removable armor. Those stories show turtles stepping out, swapping shells, or treating them like clothing. Biology disagrees. A turtle shell is not an ...

In a video captured last year in Victorville, a raven can be seen pecking at a shell on the desert floor. With scrub brush and electric transmission towers in the background, three other ravens stand ...

Turtles with shell-cracking jaws were far more likely to survive extinction due to their ability to be sustained on a restricted diet.

Shell integration typically involves 50 to 60 individual bones fusing into a permanent structural cage. The carapace creates a mechanical constraint that prevents the chest from expanding during ...