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In a freshwater canal surrounded by mangroves in southern Guatemala, hundreds of baby tropical gars—a torpedo-shaped fish with an alligator-like snout dubbed the "fossil fish"—are released into the wild.
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A broken rib from Scotty, the largest known T. rex skeleton, contains an extraordinary fossilized network of blood vessels formed while the dinosaur was healing. Scientists used neutron and X-ray imaging to look inside the 66-million-year-old bone without damaging it, revealing d
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Chemical clues preserved inside fossilized T. rex teeth reveal that the dinosaur maintained a body temperature of about 97 degrees Fahrenheit, almost identical to humans. The finding provides direct evidence that the giant predator was warm-blooded, helping explain how it stayed
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The fossil, collected in Antarctica in 1985, is part of the tail of a beast called a Titanosaur.
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Argentinian geologist Eduardo Olivero became the first scientist to find the remains of a dinosaur in Antarctica in 1986.
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