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What's so special about a dinosaur named Leonardo?
Ever since its discovery in 2000, a dinosaur fossil named Leonardo has held the interest of paleontologists the world over. A 3-D model of the animal even toured the world. So what's the big deal?
How has radiocarbon dating changed archaeology?
Before the existence of radiocarbon dating, archaeologists would hope their prized potsherds happened to lie buried next to a dated coin. How has the measurement of C-14 and C-12 revolutionized the science of archaeology?

