Rapidcreek@lemmy.world to politics @lemmy.world · 3 个月前Donald Trump complains about being called "cognitively impaired"www.newsweek.comexternal-linkmessage-square40fedilinkarrow-up1285arrow-down116
arrow-up1269arrow-down1external-linkDonald Trump complains about being called "cognitively impaired"www.newsweek.comRapidcreek@lemmy.world to politics @lemmy.world · 3 个月前message-square40fedilink
minus-squareintensely_human@lemm.eelinkfedilinkarrow-up2·3 个月前Fill the batteries with water so they’re more in tune with the ocean.
minus-squaretheneverfox@pawb.sociallinkfedilinkEnglisharrow-up4·3 个月前Then you can pet it and feel how smooth it is
minus-squareArcaneSlime@lemmy.dbzer0.comlinkfedilinkarrow-up3·3 个月前As 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-up3·3 个月前Indeed. Placoid scales are a defining feature of Elasmobranchs.
minus-squareMeThisGuy@feddit.nllinkfedilinkarrow-up2·3 个月前that’s why they swim so smooth in the ocean. that or a few million years of evolution
minus-squaretheneverfox@pawb.sociallinkfedilinkEnglisharrow-up2·3 个月前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
Fill the batteries with water so they’re more in tune with the ocean.
Okay but what if there’s a shark?
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