OKINAWA, Japan, Nov. 4 (UPI) --Everything seems brighter in the tropics: the sky, the ocean, the houses, the birds. Think tropics and brightly feathered toucans and parrots come to mind. Why is that?
Through their studies of bones, fossils, and geology, paleontologists have uncovered the prehistoric worlds of Earth's past. We watch movies and TV shows of computer generated versions of long-extinct ...
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