Learn how researchers use archaeological techniques to show how sea turtle shells grow in layers that capture chemical clues about diet, movement, and ocean change over time.

Techniques developed to study the distant past—from dating ancient artifacts to reconstructing climate records in ice cores—are now being repurposed to help us better understand the lives of modern ...

The shells of chelonians—think turtles, tortoises, and sea turtles—grow in layers, keeping a time-stamped record of environmental conditions. Uranium has shown up in the layers of turtles’ and ...

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 ...

The declining marine turtle populations in Fiji has become a growing concern over recent years. Unlimited exploitation of marine turtles for both subsistence and traditional purposes have imposed a ...