Karyoplasma
“Cart returner” is not a job. It’s a thing regular employees have to do because some folks choose to be lazy. If everybody would return their carts, these employees would simply work on other shit in the store like cleaning or re-arranging misplaced items. Leaving the cart does not create jobs, it makes existing jobs more tedious.
Chromosomes are essentially packages of DNA and each end of a chromosome is extended by a protein called telomere, essentially sequences of “junk data” that protect the actual data (the DNA) from degradation or randomly fusing with other chromosomes. When cells split to renew, these telomeres are not fully copied to the new cell and thus shorten with each split. When they get too short, cells cannot split anymore, so there is a natural end to the renewal process (the so-called Hayflick limit).
Lobsters possess an enzyme called telomerase which can repair telomeres and thus their cells can, in theory, divide indefinitely. They will still die naturally tho due to diseases or growing too large to sustain their body size and die of malnutrition, but they don’t age the way we do.
We have these pictures with warnings printed on the packs. Some are disgusting shit like rotten teeth and lung operations, but there is one of a child that inspects a cigarette. Every time I see that one, I have to think how that kid looks like a little version of Putin, but maybe I’m just crazy.