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TIL A second is called a second because it is the 2nd division of the hour by 60, the 1st division being a minute.

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VMyWk TIL the Inka never developed writing but instead had a system of tying knots called khipu in which the color, direction and structure of the knots communicated different information. While most of it is numerical, fully cracking the code reveal a phonetic khipu alphabet with records of history.
nerEr TIL - Airline Engine Manufacturers occasionally test how well their engines can withstand the impact of a flock of birds. To do this, they use what is called a "Chicken Gun"; where they fire dead chickens into a running engine through a large diameter cannon.
0wvKp TIL that Boeing was banned from bidding on contracts for US spy satellites after one of their contracts went over budget by at least $4 billion before it was ultimately cancelled and given to Lockheed Martin.
0wppv TIL a 2011 study from UC Berkeley found that Mercedes and BMW drivers were nearly 5 times as likely to cut others off compared to drivers in non-luxury cars.
Yp6GB TIL about Chronic Wasting Disease, a contagious disease that infects the brains of deer, elk, and other ruminants. It causes weight loss, confusion, tremors, and is always fatal. Found in at least 24 states, scientists are unsure whether it can transfer to humans via contact or meat consumption.