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LiveScience: One Key to Bird Flight Discovered
Articles like this one may leave evolutionists puzzled even while creationists chuckle. LiveScience reports on scientists' investigations into how bird flight works:
The key, they found, is the acrocoracohumeral ligament, a short band of tissue that connects the humerus to the shoulder joint. The ligament balances all of the converging forces, from the pull of the massive pectoralis muscle in the bird's breast to the push of wind under its wings.
Curious if the same was true of ancient animals, the researchers put some alligators on a treadmill and studied their gaits and used X-rays to make more computer models. The ancestors of modern alligators were closely related to birds.
Since bird ancestors and alligator ancestors were closely related, they argue, there must be similarities in their muscular/skeletal structure.
Alright, so far, so good: the scientists are using their evolutionary assumptions-that “[t]he ancestors of modern alligators were closely related to birds”-to construct their models of flight. Since bird ancestors and alligator ancestors were closely related, they argue, there must be similarities in their muscular/skeletal structure.
They found that alligators use muscles, not ligaments, to support their shoulders.
So, there aren't similarities! Of course, the article mentions Archaeopteryx as also having a “flight mechanism” different from modern birds (specifically pigeons), but this is based largely on conjecture, considering all that exists of Archaeopteryx are fossils.
Try as they might, evolutionists consistently run into trouble trying to reconcile all the various life-forms that have supposedly diverged from a common ancestor.
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