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TIL of the Octobass, an enormous bowed string instrument that plays notes so low you can see the strings vibrating

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ADM6a TIL The historical name of Czechia was "Bohemia". Boiohaemum, as it was originally known in Latin, comes from the Germanic "Boi-haima", meaning "home of the Boii".
kK9e TIL Albuterol, one of the oldest asthma medicines, typically costs $50 to $100 per inhaler in the United States, but it was less than $15 a decade ago, before it was repatented
kJkl1 TIL the word "lunacy" dates back to the 15th century when it was believed the moon and its phases could make people become more or less aggressive, depending on its place in the lunar cycle.
woywY TIL that Gloria Ramirez earned the nickname "The Toxic Lady" because doctors and nurses became ill after airborne exposure to her body. She had cervical cancer, and while treating her, three hospital workers fainted, and others experienced symptoms such as shortness of breath and muscle spasms.
Enmo TIL that hundreds of years ago most people would go to sleep early, wake up for about an hour in middle of night and do various things, and then go back to bed for a ‘second sleep’