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TIL Thioacetone. A chemical so stinky that a small amount (test tube amount) causes nausea a half mile away. A smell so bad it was described as “Fearful”

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kJPed TIL the pearlfish can live inside a sea cucumber's anus when it dilates to breathe. They also eat the gonads, along with other organs. Sometimes 5 or more can be in one sea cucumber.
xV8V5 TIL that the band ZZ Top has had the same members and has been performing for 50 consecutive years
kJdw4 TIL That the first drilling rig to find gas in the UK North Sea, also collapsed 2 months later killing 13 people, making it the first accident in the North Sea, and was the worst accident until Piper Alpha.
7rg6M TIL the reason why cats avoid eating food or drinking water from the sides of their bowls is to prevent 'whisker fatigue' (sensory overload) which causes pain and stress every time they eat.
mxZ1x TIL, that according to US Naval tradition, submarines that have not been confirmed to be destroyed are still on patrol. Since WWII, there are 52 submarine patrols that have not reported in, returned to port, or confirmed to be destroyed