Skip Navigation

InitialsDiceBearhttps://github.com/dicebear/dicebearhttps://creativecommons.org/publicdomain/zero/1.0/„Initials” (https://github.com/dicebear/dicebear) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)GO
Posts
15
Comments
64
Joined
2 yr. ago

  • the cell’s ribosomes will transcribe mRNA into a protein. It’s a little bit like an executable file for biology.

    Also, because mRNA basically has root level access to your cells, your body doesn’t just shuttle it around and deliver it like the postal service. That would be a major security hazard.

    I am not saying plieotropy doesn't exist. I'm saying it's not as big of a deal as most people in the field assume it is.

    Genes determine a brain's architectural prior just as a small amount of python code determines an ANN's architectural prior, but the capabilities come only from scaling with compute and data (quantity and quality).

    When you're entirely shameless about your Engineer's Disease

  • The so called "experts" say that spider silk is stronger than steel, but steel beams can hold up bridges while I can break a spider web with my little finger. Looks like the "experts" are wrong and spider silk isn't very strong after all - probably because it's made of proteins held together by weak van der Waals forces instead of covalent bonds.

  • His argument, as I understand it, is that he knew about the covalent bonds between proteins but didn't mention them because he was simplifying things for a lay audience, and that those covalent bonds don't matter because they aren't the "load bearing" elements in flesh.

    There are two problems I see

    1. His earlier statements suggest he actually had no knowledge of that whatsoever
    2. I think his revised explanation is still wrong, because the extracellular matrix that holds cells together and connective tissue are composed largely of proteins that have these covalent crosslinks and rely on them for strength. When you tear a ligment it's not just van der waals and hydrogen bonds being broken, those alone would be far too weak.
  • I suppose when talking about science to a popular audience it can be hard not to make generalizations and oversimplifications and if it's done poorly that oversimplification can cross over into plain old inaccuracy (if I were to be charitable to Yud I would say that this is what happened here).

    To wit: even the "K'nex connector with 4 ports" model of carbon doesn't really explain the bonding of aromatic molecules like benzene or carbon nanotubes; I've likewise seen people confidently make the generalization "noble gases don't react", apparently unaware of the existence of noble gas compounds.