Why Do Things Keep Evolving Into Crabs?

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For some reason, animals keep evolving into things that look like crabs, independently, over and over again. What is it about the crab’s form that makes it so evolutionarily successful that non-crabs are apparently jealous of it?
Thanks to Franz Anthony for all of the ancient crab (and "crab") illustrations featured throughout this episode! franzanth.com/ And special thanks to Dr. Jo Wolfe, Dr. Javier Luque, and Dr. Katie Collins for assisting Franz with research for those illustrations.
And thank you to Dr. Rodney Feldmann for providing a photo of the Paralomis debodeorum fossil!
Produced in collaboration with PBS Digital Studios: de-visions.com/nameof-pbsdigitalstudios
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References: docs.google.com/document/d/1q9McRu8tVceDumDFTWyrkVr3D15b3-DHp2ZYyd2sCuc/edit?usp=sharing

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  • Wait it has been crabs all along?

    theonlydanstheonlydansVor Stunde
  • if we go to another planet with life and an environment to modern earth. we will probably find crabs.

    Lygar XLygar XVor Stunde
  • I can't wait to become a crab.

    Minecraft SteveMinecraft SteveVor 2 Stunden

    AnOrangePumpkinAnOrangePumpkinVor 3 Stunden
  • Crab was not the imposter

    Caleb ReddyCaleb ReddyVor 3 Stunden
  • The comment section is full of crab mentality

    maruromuald16maruromuald16Vor 5 Stunden
  • So we are rare evolution

    The Great BOIThe Great BOIVor 6 Stunden
  • It would be cool if humans become crab like too lol

    Aimen AbduljelilAimen AbduljelilVor 7 Stunden
  • Crab: "But... You did this for what?" Imposter Crab: "Why not?" Crab: "Why?" Imposter Crab: "Why not?" Crab: *_"Why though?"_*

    侘寂ᜁᜋ᜔侘寂ᜁᜋ᜔Vor 8 Stunden
  • Dr.T knows the way.

    HooDooBrownHooDooBrownVor 9 Stunden
  • 🦀🦀🦀🦀🦀

    J MillerJ MillerVor 10 Stunden
  • Reject society becom krab

    《VeSinc》《VeSinc》Vor 10 Stunden
  • PBS Eons: "Why do things keep evolving into crabs?" Me: "Things keep evolving into crabs?"

    Jack Foxtrot - Electronic Music StudiosJack Foxtrot - Electronic Music StudiosVor 10 Stunden
  • We must evolve into CRAB

    PelufazPelufazVor 11 Stunden
  • Wow they're not lying, they never told you to call them crabs or not, they're just doing their best ;_;

    NupetietNupetietVor 11 Stunden
  • now i shall wait for people to turn into crab people

    Jack FreedomJack FreedomVor 11 Stunden
  • crabs remain crabs

    GuitarZombieGuitarZombieVor 12 Stunden
  • Pick your fighter: Return to monke or Advance to crab

    PruCoPruCoVor 12 Stunden
  • *I am crab*

    HarriMationHarriMationVor 12 Stunden
  • It's true

    Tommy PTommy PVor 13 Stunden
  • Then what are real crabs

    Dr. 50's NeonDr. 50's NeonVor 14 Stunden
  • aw, coconut crabs are cute. give em a break

    okie dokieokie dokieVor 15 Stunden
  • money

    Jangmo oJangmo oVor 15 Stunden
  • i wanna be a crab

    zamar uchihazamar uchihaVor 15 Stunden
  • Because crabs are the most powerful beings on this planet Mark my words, one day the crabs are going to take over this planet and reverse all the horrible things humans have done to this planet

    saucesandwichsaucesandwichVor 16 Stunden
  • Things keep turning into a crab Me : *I am going to turn into crab?* My dna : *always has been*

    ReiizReiizVor 16 Stunden
  • o: coconut crabs look interesting. what do they eat? what do the crabs taste like? 👁👅👁

    Mmm KatamMmm KatamVor 16 Stunden
  • Crab people crab people crab people

    Andreas B AndersenAndreas B AndersenVor 17 Stunden
  • Mesozoic Decapod Revolution? Nah fam: 𝘾 𝙧 𝙖 𝙗 𝙍 𝙖 𝙫 𝙚.

    ZULUZULUVor 17 Stunden
  • this is the reason we click tongs a few times for no reason. the crab instinct

    Almat SailaukhanAlmat SailaukhanVor 17 Stunden
  • It is maybe a long shot, but who's got here from Simon's Peculiar Portions about crabs?

    Lukáš RumpalaLukáš RumpalaVor 19 Stunden
  • You guys missed the most important point of carcinazarion: the wider body is harder for a fish to swallow. Skinny goes down in a gulp. Wide gets lodged in the mouth and needs to be broken up before swallowing!

    LarzLarzVor 19 Stunden
  • This video is best viewed at 0.75x speed. Or best viewed at 1.0x speed after doing 2 lines of methamphetamine.

    LarzLarzVor 20 Stunden
  • The video: highly sophisticated and informal Comments: hahaha crab memes

    Mr.PlagueMr.PlagueVor 20 Stunden
  • Crab People. Crab People. Taste like Crab. Talk Like People. Crab People...

    Kevin Is My NameKevin Is My NameVor 20 Stunden
  • On all forms except physical I'm a crab snap snap

    R4Z0R84R4Z0R84Vor 20 Stunden
  • wait wheres steve??

    paul angelo pinedapaul angelo pinedaVor 21 Stunde
  • crab people crab people crab people crab people crab people crab people

    Tou YubeTou YubeVor 22 Stunden
  • I’m rejecting my humanity to become crab

    James RobichaudJames RobichaudVor 23 Stunden
  • Accidentally stepped on one last n8 now here I am.

    ShailShailVor Tag

    Darth VaderDarth VaderVor Tag
  • That crab is sus...

    Darth VaderDarth VaderVor Tag
  • A video with this title and not a single comment about Roshar. We truly live in strange times

    Tron RoosTron RoosVor Tag
  • Craaaaab people craaaab people....

    Luka MaksicLuka MaksicVor Tag
  • Damn I hate it when this happens.

    Skii _Skii _Vor Tag
  • *Detroit, become crab*

    Yansong ZengYansong ZengVor Tag
  • *Crab rave intensifies*

    Thom864b bThom864b bVor Tag

    João Pedro AuriemoJoão Pedro AuriemoVor Tag
  • 1. Name a band Cretaceous Crab Revolution. 2. Call it CCR for short. 3. Get famous enough that young people talk about you, while older people don’t. 4. Congrats, now you’re gonna be able to confuse a lot of people when you talk about your band.

    BarmAcidicBarmAcidicVor Tag
  • What's your sign?

    ElenaElenaVor Tag
  • Everything evolves into crabs because nature wants to make the biggest rave ever in a million years.

    VandalHallaVandalHallaVor Tag
  • Used Cars Salesman: *SMACK* *This shell holds a lot of flexibility*

    FrijolFrijolVor Tag
  • Damn crabs are literally BUILD DIFFERENT.

    Shawn JimenezShawn JimenezVor Tag
  • Crab time

    sam you ellsam you ellVor Tag
  • Crab vs Monke The ultimate showdown.

    TobunarTobunarVor Tag
  • Crabs baby! Us Cancers are taking over. Just bend the knee now.

    G MelfordG MelfordVor Tag
  • Why do evolutionary Marxists keep evolving their plans?

    EQOAnostalgiaEQOAnostalgiaVor Tag
  • Crab was an impostor

    DondloDondloVor Tag
  • How long until we evolve into Crab People?? Crab People!! Crab People!!

    Ioannis MorakisIoannis MorakisVor Tag
  • Because crabs are cool

    Captain AnonymousCaptain AnonymousVor Tag
  • Reject humanity, become crab

    dudemaister18dudemaister18Vor Tag

    GrimmrokGrimmrokVor Tag
  • I wanna carcinizise

    zack IOIOIOIzack IOIOIOIVor Tag
  • Reject Modernity, Embrace Carcinization

    Joshua HaJoshua HaVor Tag
  • Anything that's not a crab: "You fool, this isn't even my final form!"

    HipnogHipnogVor Tag
  • lots of stuff on this planet constantly evolves into craP too by the way

    Karel MestdaghKarel MestdaghVor Tag
  • wait.... we humans have lost our tails.... and we've been getting, uhhh, "wider" in recent years.... what does this mean for us 😳

    carykhcarykhVor Tag
    • Your fate is crab.

      J MillerJ MillerVor 10 Stunden
    • *Animorphs into crab with regular show sound

      Inunexceptable conditionInunexceptable conditionVor 20 Stunden
    • Hey Cary

    • Snip snap :D:D:D:D

      j sj sVor 21 Stunde
    • reject homo sapiens become c r a b

      HyperBuildzHyperBuildzVor Tag
  • Me at 12 AM: just one more youtube video, then I’ll go to bed. Me at 3 AM: Why do things keep evolving into crabs?

    BlookyDerp 22BlookyDerp 22Vor Tag
  • reject crab return to monke

    ileiadileiadVor Tag
  • Who would dislike this video? It's literally just about crabs. It's not clickbait. Just crabs.

    Andrea GeorgeAndrea GeorgeVor Tag
Why Do Things Keep Evolving Into Crabs?