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fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 1 个月前

Insomnia

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Insomnia

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fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 1 个月前
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  • Norn@lemmy.zip
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    1 个月前

    Regardless of topic, I can relate to the need to look something up in the middle of the night for peace of mind.

    • gandalf_der_12te@discuss.tchncs.de
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      1 个月前

      i looked up the number of deaths during the napoleonic wars like yesterday

      • Peppycito@sh.itjust.works
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        1 个月前

        Was it more than 10?

        • gandalf_der_12te@discuss.tchncs.de
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          1 个月前

          eh idk, i had difficulty finding exact numbers. apparently the napoleonic wars did have wide consequences but not so much because of the number of people that died in them but because they basically pushed very severely the modernization of all states in europe, which then caused a whole lot of things to happen rather quickly.

          • Peppycito@sh.itjust.works
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            1 个月前

            Interesting! So ~10?

            • Hadriscus@jlai.lu
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              1 个月前

              12

              • Peppycito@sh.itjust.works
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                1 个月前

                🫨

      • SeductiveTortoise@piefed.social
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        1 个月前

        The bare necessities of knowledge for sound sleep.

  • Echo Dot@feddit.uk
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    1 个月前

    This isn’t really a mystery. We know the fossil record is incomplete, something like 99% of species are almost certainly not represented in the fossil record and what is present will massively be biased towards marine life.

    Plants don’t fossilize particularly well anyways so it’s not surprising that we don’t have records for these organisms. The fact that we have records for the existence of ferns at all is probably evidence of them suddenly becoming massively prolific (I wonder if some major environmental change occurred around that time ☄️) rather than them springing out a thin air.

    • NottaLottaOcelot@lemmy.ca
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      1 个月前

      They were dropped off by aliens. The very same ones who returned millions of years later to build us pyramids. It’s a very philanthropic extra-terrestrial community

      • mnemonicmonkeys@sh.itjust.works
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        1 个月前

        Until they flatten all the buildings and make the survivors fight through a murder dungeon for their entertainment

  • Optional@lemmy.world
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    1 个月前

    • damnthefilibuster@lemmy.world
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      1 个月前

      Fuck this moron.

      • BucketBong@p.hobo.social
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        1 个月前

        Like, I’ll try.

        • SeductiveTortoise@piefed.social
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          1 个月前

          Try harder!

          • BucketBong@p.hobo.social
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            1 个月前

            I’m giving her all she’s got Captain!

            • SeductiveTortoise@piefed.social
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              1 个月前

              Stupid spaceship, can’t even reach warp 11 🙄

              • BucketBong@p.hobo.social
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                1 个月前

                Do you want to be transformed into a large alien salamander?

                • SeductiveTortoise@piefed.social
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                  1 个月前

                  *and have hot large alien salamander sex with your captain?

  • bert_brause@lemmy.world
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    1 个月前

    what? Sorry, what does it mean? I cheated my way trough computer science - archeology / biology are not my expertise.

    • RandomStickman@fedia.io
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      1 个月前

      I think it means we don’t know what the ancestors of those plants are/what they evolved from. They just kinda showed up in the fossil record.

      • Nurse_Robot@lemmy.world
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        Which, tbf, it’s a miracle enough of the fossil record exists as is. I’m sure there was a LOT that was lost to the sands of time

        • HonoraryMancunian@lemmy.world
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          Iirc it’s reckoned most species likely aren’t known about because most places weren’t conducive to fossilisation

      • gandalf_der_12te@discuss.tchncs.de
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        1 个月前

        ehh, modern biology doesn’t construct evolutionary history from fossil records, but from genetic similarities.

        • RandomStickman@fedia.io
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          It’s impossible to compare genetics from fossils and we can’t study ancient long dead species besides fossil records for the most part.

          • gandalf_der_12te@discuss.tchncs.de
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            yeah that’s not what i meant. phylogenetic trees are constructed by considering the genetics of recent (living) species, not from fossils.

            • RandomStickman@fedia.io
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              1 个月前

              And this post is about ancestors of ferns which are unknown so I’m not sure what are you suggesting

              • Spice Hoarder@lemmy.zip
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                1 个月前

                He’s Fern’s uncle.

                • RandomStickman@fedia.io
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                  1 个月前

                  Ah, my bad

      • F_State@midwest.social
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        1 个月前

        Relatively few lifeforms end up fossilizing and then some of those fossils later get eroded. The percentage that make it to the present is low.

        • dudinax@programming.dev
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          1 个月前

          I’m no paleontologist but it seems like our total knowledge of certain eras comes from a few river banks collapsing on whatever lived there. That’s not going to be a great representation of all life at that time.

    • lemonskate@lemmy.world
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      1 个月前

      That the fossil record is incomplete

      • TropicalDingdong@lemmy.world
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        1 个月前

        Your mom’s record is incomplete

        • GreyEyedGhost@piefed.ca
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          1 个月前

          But she’s working on it…

    • ComradeSharkfucker@lemmy.ml
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      1 个月前

      It means our knowledge of their ancestry cuts off at that point. Anything else is speculation without additional information.

      • thanksforallthefish@literature.cafe
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        1 个月前

        That is exactly what the comic says but its not true, fossil records for ferns go back to the devonian several 100 million years before the Cretaceous

        https://www.ontariobeneathourfeet.com/dinosaur-salad-ancient-extant-ferns

        https://www.amerfernsoc.org/about-ferns

        • turtlesareneat@piefed.ca
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          1 个月前

          That’s why he’s so cranky in frame 4, he’s realizing his piece of shit brain lied to him again.

    • TropicalDingdong@lemmy.world
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      1 个月前

      Imagine you are trying to infer the structure of a tree by only know the positions of its leaves. Now imagine doing the same, but only 1/100 of the leaves are above ground.

      It’s only a small fraction living organisms which remain alive today. Most species and families which have ever been are extinct. And most are so old we could never do DNA work on them. Among the living, we can do some good DNA work and that’s made a huge difference. But then go back far enough and there are just massive nonconformities.

  • AeronMelon@lemmy.world
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    1 个月前

    “I can’t get… no… sleeeeep…”

    techno music

  • ComradeSharkfucker@lemmy.ml
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    1 个月前

    Paleobotany my beloved

  • MonkderVierte@lemmy.zip
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    1 个月前

    I usually schedule it to tommorrow and the forget it.

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