While traveling, you might encounter a wide range of different toilets and see how these toilets are used. A self-cleaning toilet in Japan is different from a flushing toilet in Belgium and differs from a hole in the ground in some remote places. However, they are almost exclusively some form of flushing toilets. How did …
In the late summer of 1848, a new cholera epidemic struck London. The disease had already killed many thousands of people, most notably during the previous epidemic in 1831. The first symptom of cholera was queasiness, followed by stomach ache, vomiting, and diarrhea so severe that it caused victims to die of dehydration. A clever …
In earlier times, toothache, damaged teeth, or overall malaise surrounding the dental area was believed to be the work of god. A lot of time has passed, and it goes to show in the far reaching developments in the world of dentistry. Nowadays, it is one of the most advanced scientific disciplines. How did we …
Today, psychology has become a common field of study. Academic professionals and curious amateurs now regularly ponder the inner-workings of the mind, searching for answers and explanations. But this was not always the case. In fact, in the grand scheme of things, psychology is a relatively new field, emerging into the mainstream in just the …