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Some fish have little “hairs” on their body that are very similar to the “hairs” humans have in their ears to detect sound. As part of a trial to regrow damaged “hairs” in people with noise-induced hearing loss (soldiers, factory workers, etc), we had to uh, induce some damage so there was a test subject for the drugs. Turns out, tooth brush heads work really well for transmitting high-frequency waves through small volumes of water. Also turns out that I was not cut out for trials requiring living things. It was rough on the psyche.
We picked up a 12 year old civic hatchback before Covid for 5k and it was in immaculate like-new condition, low miles. It got totaled right after our other car’s engine finally wore out. I then found a 10 year old Toyota for 16k. It was the lowest price in a 200-mile radius for cars/small trucks with under 150k miles on them that weren’t limping/totaled/savaged.
It was fucking flabbergasting.