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PaleontologyEven flossing wouldn’t have helped
Small particles trapped in minuscule cracks or pits in the teeth of plant-eating dinosaurs could give scientists a way to identify the types of greenery the ancient herbivores were munching.
By Sid Perkins -
PaleontologyCT scan unscrambles rare, ancient egg
A tangled heap of bones and bone fragments in the bottom of an unhatched elephant bird egg may soon be reassembled into a model of the long-dead embryo, thanks to high technology—and scientists won't even have to crack open the egg to do it.
By Sid Perkins -
19025
Researcher Mark Goodwin’s conclusion that a hollow base to an animal’s horn greatly diminishes its strength, and hence its utility in defense or dueling, begs for an engineering analysis.