Richard Dawkins Demonstrates Laryngeal Nerve of the Giraffe

Richard Dawkins and a team demonstrate how the laryngeal nerve in mammals is evidence for the lack of an intelligent designer and how it's inefficient "design" has manifested from natural selection.

Marked NSFW for giraffe autopsy imagery that might disturb some viewers.
ravermansays...

Nice example... definitely proving iterative design at least.

1) Legacy systems always suck. Once they need change it's usally too late.
2) It's hard to change/replace a legacy system and keep the system alive.
3) New development replacing old working systems are immature and buggy.

So in theory, you would have to grow a second parallel nerve, Load balance, fix any issues, then swap over. But there's no evolutionary benefit to having a second nerve so mammals have never had the opportunity.

[i may have thought about this WAY too much. Moving along now... ]

Sketchsays...

Nope. You nailed it Raver. This laryngeal nerve was an enlightening factoid when I read Dawkins's The Greatest Show on Earth: The Evidence for Evolution, which I highly recommend. Not a whole ton of arguing as in The God Delusion, but just facts in a dozen different scientific disciplines that all support evolution separately and in concert with each other. It's well worth a read, for ammunition, if you are as smug and pompous of an antitheist as I am.

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