Researchers found a tiny skull with wide eyes and a cartoonish grin It could help solve an evolutionary puzzle CNN

Researchers found a tiny skull with wide eyes and a cartoonish grin It could help solve an evolutionary puzzle  CNN

Sign up for CNNs Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Paleontologists with the Smithsonian National Museum o… [+7035 chars]Read More

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