One hundred seventy years ago, tuberculosis was a lethal disease. This illness posed a significant threat to humanity, resulting in an estimated 1 billion deaths between 1700 and 1900. Notably, traces of tuberculosis have been found in the mummies of ancient Egyptian kings. In the late 1840s, German botanist Hermann Brehmer, confronted with the fatality of tuberculosis, relocated to the Himalayas in search of fresh air. Remarkably, he survived and is believed to have successfully fought off Mycobacterium tuberculosis in that less favorable environment for bacterial growth. As a result, numerous nursing homes emerged across Europe and the United States, including specialized facilities for tuberculosis care and luxury accommodations for the affluent. However, by the 1940s, many of these nursing homes began closing due to the emergence of antibiotics, which drastically changed their economic viability. Throughout history, it seems that economic value often proves transient. - Joseph’s “j...
In mathematics, a "recursive proposition" is a proposition whose true or false value is fed back into the proposition itself. For example, "I can never allow this to happen before I die!" is a recursive proposition. Unfortunately, the condition for proving that this is possible is that I die. The problem is that you are dead once, you can not be longer the person who gives permission. This phenomenon also occurs in the investment business. The most common example of this is an investment in stocks. This is a recursive proposition because if the price of a stock goes up and you sell it, the sales volume directly affects the price. Therefore, the number of shares (trading volume) is one of the most important factors to be considerable when investing in stocks. This property of recursive propositions is a good explanation for why the large trading of stock volumes is difficult to work. - Joseph’s “just my thoughts”