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280 days of Urbpandemonium #30

 photo P1020372_zpsiwxqznb3.jpg
As I scooped up this ragworm (Phylum Annelida, Class Polychaeta, Family Nereidae) in my fingers, I remembered seeing similar worms when I was a child. One particular time one was dragged up onto to the damp sand and poked with a stick. In response the worm everted a pair of fearsome jaws from its head, each bearing a sharp-looking tooth. It turns out those teeth are as hard as human teeth--they're made of a protein matrix studded with ions of the metal zinc.

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(Deleted comment)
perspicuity
May. 3rd, 2015 04:46 am (UTC)
there's an app for that... super mega worm and death worm... ios. fun.

yeah, those sharp hooks are sharp. they will nicely pierce flesh. ouch.

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The Urban Pantheist

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