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...
There is a country of 607 islands in the West Pacific, Micronesia. One of the islands, “Yap Islands,” used limestone as a currency. The monetary unit is “fei”. Big stones, oh no, big money, 3.6 meters in diameter and weighed 3.5 tons. The bigger and heavier is a more expensive price, because of the harder the carving. The peculiar thing was that when the people moved the stone for trading, they directly moved it with a canoe, and no one marked the money after the transaction. In the meantime, a rich man had to deal with someone and he met the storm while carrying the stone money in a canoe. Securing his survival, he had to throw his money out of the canoe into the water. When he met the counterparty with an empty hand, no sooner did they confirm the force majeure case than the counterparty confirmed that the villagers additionally recognized the value of the sunk money in the water and approved the transaction. Then, the existence of the sunk stone money was recorded on a wooden board,...