Man Against Horse
Radiolab
00:00
Pigs Running on Treadmills?
Pigs on treadmills, their heads flop in this kind of ungainly manner. The nuca ligament is like a rubber band that attaches to the back of the animal's skull and then runs down its spine as it runs. All animals that ev volve to run got this ligament to keep their heads from flopping around. Red pigs, don't apes, don'e, cemps, gerillas, they have no ne ligament, nothing. They don't really need one, because running is not a big part of who they are. Humans have one of these two. We have this ligament. It provides support for the head and neck.
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