Also: are the most conducive

  • oxygen
  • hydrogen
  • nitrogen
  • carbon
  • palordrolap@fedia.io
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    14 days ago

    I mean, you could start almost at the very top.

    Skip hydrogen which is an obvious need and we’re right at something that’s not particularly helpful with either the creation or the sustenance of life. Helium has advanced use in MRI machines, and is fun in party balloons and squeaky voice tricks, but we got by for millennia without any of that. Relatively harmless otherwise, but not necessary.

    Lithium? It does find itself in biological places often in place of more important things like sodium or potassium, but it’s neither necessary nor completely worthless, I guess.

    My vote, though, for the worst of the top of the periodic table: Beryllium. Toxic. No biological function except to cause problems. Helps make pretty crystals, but the same is true of lots of less harmful elements. In that sense then, completely worthless.

    • weeeeum@lemmy.world
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      14 days ago

      Lead is still used in god damn everything. Its unfortunate but it’s so cheap, and so useful, how could industry resist?. The res a good chance the pipes you have in your house and used by your city are lead, you shower pan likely had a lead sheet backing, lead is also use for tons of electrical connections. Even copper pipes are likely to be soldered together with lead. Lead is also used to heat treat steel parts, which is used in everything.

  • treefrog@lemm.ee
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    14 days ago

    Gold? I don’t think any life uses it for sustenance outside of technological and sociological applications.

      • ewigkaiwelo@lemmy.world
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        14 days ago

        My question is genuine though, I’m not biophysics expert, I know there are radioactive elements in our body, but are they worthless? Probably the least meaningful to sustaining life would be least reactive elements if that makes sence, but life is more about energy of chemical reactions between molecules, not individual elements

    • Cephalotrocity@biglemmowski.win
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      14 days ago

      That’s more a question of semantics (and dosage I suppose). Radioactive elements can be therapeutic if used properly in a hospital (X-ray scan, radiation treatment for cancers, etc…).

      More to the point, radiation spurs mutation. Mutation 99.9% of the times is bad, but that 0.1% chance of a beneficial mutation is a major driver of evolution. So in a way radioactive elements help create new ‘forms’ of life via speciation.