Science Memes

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Why the long gill? (mander.xyz)

submitted 2 weeks ago by [email protected] to c/[email protected]

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[–] [email protected] 5 points 2 weeks ago (1 children)

That's really cool! I always wondered how gills evolved out. Now I wanna research this to see how accurate it is.

[–] [email protected] 17 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

Not same but related: There's a nerve that goes down from the brain to the arch of the aorta, loops around below it, then goes right back up to innervate parts of the face iirc. In fish, it's a straight path. And it has been a thing since the first land animals emerge, including in giraffes and other long-necked creatures.

[–] Reddfugee42 9 points 2 weeks ago (1 children)

I used this to finally shake a creationist friend. There's a video on YouTube of finding this nerve in a giraffe cadaver.

[–] [email protected] 7 points 2 weeks ago

Laryngeal nerve / Vagus nerve!

The event was hosted by Richard Dawkins and hadn't been done before (on record anyway)

The video is very short and everyone should watch (graphic giraffe dissection warning)

[–] deus 7 points 2 weeks ago

Huh, TIL. Here's the Wiki page about it, for anyone curious.