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AI uncovers dinosaur tracks that look eerily like birds from a time when birds shouldn’t have existed

A new artificial intelligence system is drawing renewed attention to one of paleontology’s oldest controversies. At the ...
Smithsonian Magazine

The Earliest Known Vertebrates Had Four Eyes—and They Worked a Lot Like Ours Do, New Research Suggests

Many spine-bearing creatures, or vertebrates, have a curious bit of tissue deep in their brains called the pineal gland. It ...