Compared to the past, modern people enjoy healthier lives thanks to advances in medical technology, but many people still lack equal access to healthcare. Dr. Lee Jong-wook has dedicated his life to improving healthcare in developing countries, leading international health as Director-General of the WHO, and his work has had a profound impact on many. Modern medical advances and...
Blood donation is the act of giving blood for patients in need of transfusions, and this article details the history, process, types, and importance of donating blood. Have you ever seen a blood donation van in high school? Or maybe you’ve heard about a blood drive while walking down the street? Or maybe you’ve heard about blood donation in some other way, but how did it start...
Hyperrealism, which aims to create realism so realistic that people freak out when they see a couple dressed as immobile tourists in an art gallery, is a critical expression of capitalist everyday life that, unlike Pop Art, strives for both realism and realism. Through the work of its leading artist, Duane Hanson, this school of thought sheds light on consumerism and materialism and makes us...
The theory of jae is the idea that the heavens send disasters to warn monarchs who have lost their virtue, and was systematized by Dong Zhongxue. The theory that a monarch’s true condition is revealed by jai became the basis for political discussions, but later generations criticized and modified it. Zhu Xi considered jieyi as a natural phenomenon, but also used it as a political boundary...
Skin aging can be categorized into endogenous and photoaging, with endogenous aging being the natural changes that occur over time and photoaging being caused by prolonged exposure to UV light. Endogenous aging can be prevented by lifestyle changes, while photoaging can be prevented by sun protection. If you look around you, there are many people who entered college and had a tough year as...
The dangers of fatigue fracture are illustrated using the Schenectady tanker in 1943 and the Cheonan in 2010 to highlight the various forces a ship is subjected to and the importance of design. Fatigue failure is not the only factor that can cause a ship to sink, emphasizing the role and importance of naval architects. On January 16, 1943, an American tanker named Schenectady broke in two...
Plato argued that letters and writing deteriorate memory and hinder the attainment of true wisdom, yet he wrote prolifically to convey his philosophical ideas. This illustrates the tension between philosophy and text, and emphasizes that true knowledge is a process of internalization, not mere accumulation of information. Many philosophers have a very negative view of writing and reading...
Programming languages are important tools for connecting computers and humans, and they come in many different varieties and are designed for different purposes. From high-level languages to low-level languages, each language uses tools like compilers and interpreters to make programs run through specific mechanisms. If you look around the modern world these days, almost everyone uses...
The 17th-century French painter Nicolas Poussin saw the spontaneity of Baroque art as lacking in intellectual thought and sought the idealized, timeless beauty of ancient Greco-Roman art. He created works based on reason, demanding deep thought and reflection from the viewer. The 17th-century French painter N. Poussin sought to represent through his paintings the eternal essence and ideal...
The gas exchange process in the lungs and blood involves the exchange of oxygen and carbon dioxide in the alveoli and tissues, and is influenced by the role of hemoglobin and the pH, temperature, and carbon dioxide concentration of the blood. This process plays an important role in regulating bodily functions by maintaining the proper concentration of oxygen and carbon dioxide. Oxygen from...