The Smartest Dinosaur (and 9 More Clever Prehistoric Reptiles)

Which were the smartest dinosaurs? While we can't sit a Velociraptor down for an IQ test, scientists use fossil evidence like brain cavity size and body ratios to make educated guesses.

from HowStuffWorks - Learn How Everything Works! https://ift.tt/W8DGlax
via IFTTT