Scientists have estimated that just one small stretch of beach on the Gulf of California contained at least 2 trillion shells ...
Learn how researchers use archaeological techniques to show how sea turtle shells grow in layers that capture chemical clues ...
Sea turtle shells record life history layer by layer over many years, clearly revealing diet, stress, movement, and ocean ...
Techniques developed to study the distant past—from dating ancient artifacts to reconstructing climate records in ice ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results