This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest ...
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 ...
When we picture sea turtles in the wild, it’s easy to envision them as armored warriors – their hard, resilient shells serving as near-impenetrable shields against oceanic threats like sharks. These ...
AZ Animals on MSN
Why some animals never stop growing—and what stops them
Most animals reach an adult size, then spend the rest of their lives maintaining it. After maturity, their energy goes toward ...
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