i recently attended a training where we were informed that a degraded compound from tires breaks the blood-brain barrier in salmon and causes them to die.
this post was submitted on 27 Sep 2023
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traingang
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But the human blood-brain barrier is more robust, right? 
We have larger body compartments outside the brain to soak up those degraded synthetic rubbers, so human bodies will probably tend to get lower intensity doses spread over a greater surface area of tissue to penetrate!
I was going to mention the fish. I didn't know this about salmon. But I knew that rivers that have bridges have a lot fewer fish around the bridges than they otherwise would/should. There is a type of tire that's better for fish (unsure how much better) but it's more expensive so you can guess how likely it'll become widespread.
Recent argument with a Lemmyverse carbrain:
"I have a small business that moves pallets. How would mass transit move my pallet? Case closed." 
As we all know, freight trains are incapable of carrying pallets, it's never been done before, just too experimental.
Communism is when no small vehicles, only trains and buses
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