Categorywolhan

In this blog post, we will examine how social media has changed the way people communicate, its positive role, and the issues we need to be aware of.   Social media is an abbreviation for social network service, which refers to services that allow users to form human networks on the web. It plays a significant role in maintaining relationships between people who would otherwise find it...

In this blog post, we will examine the real causes of fine dust and the hidden side of media reports, and reflect on how close we are to the truth.   Have you ever felt like you’ve breathed in fine dust? Probably not. Fine dust has no taste or smell, and even if it enters your mouth, you cannot detect it. Yet, when you look around on the streets, you can easily see people wearing masks...

In this blog post, we will examine how cars, which have gone beyond being mere means of transportation to transform industry and culture, have become the engine of human civilization.   Technology changes society, and the culture and daily lives of people within that changed society gradually evolve. The advancement of technology does not merely make human life more convenient; it...

In this blog post, we will examine the concept and significance of epigenetics, as well as its potential to transcend existing genetic determinism.   Looking back on the history of science, there has been a close relationship between the beliefs of researchers and the advancement of science. These beliefs stemmed from a belief in the wonders and beauty of nature. For example, there is...

In this blog post, we will introduce how nutritionists working in hospitals contribute to patient care and recovery.   When most people hear the word “nutritionist,” they think of someone who is responsible for school lunches. In fact, when I tell people that I majored in food and nutrition, they usually ask me if I want to become a nutritionist, and regardless of my answer, they start...

In this blog post, we will look at how aluminum, which appears fragile, gained strength and functionality through alloying and became a key material in high-tech industries.   When walking down the street, you can see shiny foreign cars such as Audis and BMWs. Would you believe that these beautiful cars are actually made of a material that looks as plain as foil? The material in question is...

In this blog post, we will examine the criteria for reasonable consumption through the balance between current and future consumption, time preference, and life cycle.   If you are wondering how much you should consume, historian Thomas Fuller would answer, “A bird in the hand is worth two in the bush,” while writer Samuel Johnson would argue, “Consume less, no matter what you have.” So, how...

In this blog post, we will look at the impact and changes smartphones have had on our lives, and whether we are in control of them.   The evolution of communication and changes in lifestyle Since ancient times, people have valued communication with each other. In the past, there were no communication devices, so people had to travel to deliver messages in person, but today we communicate...

In this blog post, I reflect on how being bullied while studying abroad in Canada as a child affected my emotions, relationships, and maturity.   When I was in third grade, I went to school in Canada for a year. Life in Korea had always been familiar and comfortable, so when I first heard that I was going to Canada, I was excited but also very worried. Would I be able to adapt to a new...

In this blog post, we will examine how altruistic behavior, despite appearing disadvantageous to individuals, survived in human evolution and became established as a survival strategy for groups.   “Just a bite.” It is not easy to refuse a friend’s request to share a little ramen, even when you are hungry. Furthermore, if your friend is being beaten up by someone on the street, you...