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Scientists at the Gladstone Institute of Cardiovascular Disease (GICD) have traced the evolution of the four-chambered human heart to a common genetic factor linked to the development of hearts in turtles and other reptiles.
The research, published in the September 3 issue of the journal Nature, shows how a specific protein that turns on genes is involved in heart formation in turtles, lizards and humans.
Originally posted by muggl3z
reply to post by feedpeopletosharks
A very interesting concept. What if they evolved into something like us? Up-right walking with thumbs.
Because of these features scientists regard Troodon as a member of the Maniraptora. Its eyes were large (perhaps suggesting nocturnal activity) and slightly forward facing, giving Troodon some depth perception. In fact most reconstructions give Troodon eyes which point in a more forwards direction than almost any other dinosaur, which implies that it had better binocular vision than most dinosaurs. Their light skulls contained a capsule similar to those found in ostrich dinosaurs.
Troodon had one of the largest known brains of any dinosaur, relative to its body mass (comparable to modern birds). Hence it is believed to have been one of the most intelligent dinosaurs, even more intelligent than mammals of that era.
Holtz (1998) also noted that characteristics used to support a predatory habit for Troodon - the grasping hands, large brain and stereoscopic vision, are all characteristics shared with the herbivorous/omnivorous primates and omnivorous Procyon (raccoon).
Originally posted by suziwong
"Reptilian humanoids of varying depictions have appeared in the myths and legends of various cultures.
.... the giant Klyteros with huge serpents between his legs.