Copper turns remarkably green over time. A hospital’s Brasso expenses would quickly reach astronomical levels.
Only if the conditions are right.
These are the more likely colors you’d get inside a building,
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Dark, chocolaty, brown is more common in old copper, like pennies, than green.
Sure on the brown of pennies, but countertops will be a special case, as people will spray them down with chemical cleaners. Tert amines or bleaches. Blue to green is pretty common on old plumbing joints, from flux and minerals. I think bleach will give you greenish, don’t know about tertiary amines, but you’ll likely get some poorly Stable crust. Point is, Cu is a lot more chemically active than stainless, stone or Formica. Sure it can kill bugs, but at the cost of a touchy, hard to maintain surface.
Is there a reliable way to get copper to oxidize rather than tarnish? I have copper pulls on my kitchen cabinets. I did not have them sealed because I wanted them to turn green. Instead they turn black.
Many ways. Here’s one. I’ve heard the best methods are the slowest. I have seen green oxide form at plumbing joints very readily but the copper cover on my pizza oven is slowly turning black.
In addition to being antimicrobial, copper also disrupts respiratory pigments in plants and invertebrates. This interaction is commercially important because some aquatic treatments take advantage of that toxicity to remove unwanted species from aquariums, ponds, lakes, etc.
Thank you for that. This is going to be some fun trial and error…
The linked article finds no benefit specifically for arthritis pain.
Since it contained a further link refuting this specific claim (the most common one used for copper bracelets and other jewelry, I doubt the author intended to mislead anyone.
Wearing copper items has no proven health benefit, period. It’s good to know in addition that Moscow Mules are unlikely to kill you.
IIRC, then the Stature of Liberty was renovated back in the 80s the new pieces were aged with horse urine to make them match. The NPS info used some delicate euphemism.
Interesting. I’ve horse urine is used to produce testosterone and Coors beer also.
It’s Pregnant Mare Urine combined to make a portmanteau for the drug name Premarin which I believe is an estrogen supplement.
However what you heard about Coors beer is correct. 
Wow. Is there anything horse piss can’t do?
Equestrian micturate, perhaps?