Here is a mystery nobody wants to touch. In a riverbed in Paluxy, Texas, archaeologists have found both dinosaur tracks and human footprints together. Both made at the same time. And, not just one track, but dozens. All the tracks are the same age, about 140 million years old, and they were made together.
Scientists have estimated the skull to be over 80 million years old. If age estimate is correct this would be the oldest skull ever found. To this day over 30 universities continue to study this skull and its materials.
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