The shells of turtles, tortoises, and sea turtles show a remarkable connection to our 20th-century nuclear history. This astounding revelation comes to light in a new study, which casts an enduring ...
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 ...