(CNN) — Hundreds of millions of years ago, jawless fishes swam Earth’s seas, their brains protected on the outside by armored skin, and on the inside by plates made of cartilage. Scientists are still ...
Image of work flow, showing fossil and 3D image. Credit: Field Museum of Natural History, Richard Dearden and Ivan Samson. Image of work flow, showing fossil and 3D image. Credit: Field Museum of ...
Whole skeleton of Dipterus, an extinct lungfish from the middle Devonian period. Specimen (UMMP 16140) from the University of Michigan Museum of Paleontology. ANN ARBOR—If you're reading this sentence ...
Add Yahoo as a preferred source to see more of our stories on Google. Hundreds of millions of years ago, jawless fishes swam Earth’s seas, their brains protected on the outside by armored skin, and on ...
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