Rapidcreek@lemmy.world to politics @lemmy.world · 3 months agoDonald Trump complains about being called "cognitively impaired"www.newsweek.comexternal-linkmessage-square39fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkDonald Trump complains about being called "cognitively impaired"www.newsweek.comRapidcreek@lemmy.world to politics @lemmy.world · 3 months agomessage-square39fedilink
minus-squaretheneverfox@pawb.sociallinkfedilinkEnglisharrow-up0·3 months agoThen you can pet it and feel how smooth it is
minus-squareArcaneSlime@lemmy.dbzer0.comlinkfedilinkarrow-up0·3 months agoAs a veteran scuba instructor, I have touched dozens of sharks with my bare hands. Every one had very rough skin, like medium sandpaper.
minus-squareGrabthar@lemmy.worldlinkfedilinkarrow-up0·3 months agoIndeed. Placoid scales are a defining feature of Elasmobranchs.
minus-squareMeThisGuy@feddit.nllinkfedilinkarrow-up0·3 months agothat’s why they swim so smooth in the ocean. that or a few million years of evolution
minus-squaretheneverfox@pawb.sociallinkfedilinkEnglisharrow-up0·3 months agoI don’t know what to tell you, I’m petting a shark right now and it’s like touching silk. In both directions, couldn’t be smoother
Then you can pet it and feel how smooth it is
As a veteran scuba instructor, I have touched dozens of sharks with my bare hands. Every one had very rough skin, like medium sandpaper.
Indeed. Placoid scales are a defining feature of Elasmobranchs.
that’s why they swim so smooth in the ocean.
that or a few million years of evolution
I don’t know what to tell you, I’m petting a shark right now and it’s like touching silk. In both directions, couldn’t be smoother