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 ...

In cartoons, when a turtle is spooked, it retreats into and closes up its shell. While used for comic effect, this imagery is based in fact – although not all turtles are capable of this protective ...

Northwest researchers have discovered that turtle shells can help track radioactive material through time–like “walking tree rings.” Scientists said these heroes in a half shell could help with ...

Northwest researchers have discovered that turtle shells can help track radioactive material through time–like “walking tree rings.” Scientists said these heroes in a half shell could help with ...

In cartoons, when a turtle is spooked, it retreats into and closes up its shell. While used for comic effect, this imagery is based in fact — although not all turtles are capable of this protective ...