CategoryOpinion

  The reason why the Yangzi is warmer than the Yinzi is because the sun’s energy travels across space in the form of electromagnetic waves without a medium to reach Earth and heat objects, which can be explained by understanding the nature of heat and light.   Why is the Yangzi warmer than the Yinzi? No matter how hot the sun is, how can it travel across space without a proper...

Genre painting was born in the 17th century in the West as a way to distinguish paintings other than historical paintings, and it still has a strong appeal today because of its frank and humorous depiction of everyday life and customs.   Genre paintings depict anonymous people and small events that are common in everyday life. But how did genre painting come to be called genre painting? In...

This article explains that states enforce social insurance schemes to cover individuals when they are unable to insure themselves against risk, and that these schemes serve to ensure economic equity and promote social stability.   Everyone lives with the inevitable possibility of risk, so individuals try to insure themselves against it, and the market captures this and provides the right...

In the episode of MBC’s popular entertainment program “Infinite Challenge,” Park Myung-soo takes a part-time job washing the windows of Building 63, and explains how biomimetic robots that mimic the characteristics of cockroaches and geckos could take over this task.   In the “Extreme Part-Time Job” episode of MBC’s popular entertainment program...

This article explains the formation and characteristics of different deserts, including the difference between tropical and temperate deserts, how desert ecosystems adapt, and how humans utilize them.   Are all deserts barren wastelands with hot, blowing sandstorms? While some deserts are tropical, there are also temperate deserts that have hot summers and cold winters, such as those found...

A work of art is not a fixed object waiting to be accepted by the viewer, but a living entity that is constantly reinterpreted and creates new meanings in the context of its creator and its time and culture.   Instead of saying that we appreciate a work of art, we often say that we enjoy it, or that we appreciate it. To enjoy or appreciate a work of art means to derive pleasure from it or to...

This article discusses the various hypotheses that have been proposed to explain altruistic behavior, particularly the eusocial species hypothesis, and compares the limitations of the different hypotheses.   Altruistic behavior is defined as the act of helping others, even at the risk of harm to oneself. Common sense tells us that it is not easy to understand why anyone would voluntarily do...

Interaction analysis analyzes the communication that occurs in human relationships based on ego states, which can help individuals become aware of their own behaviors and attitudes and improve their interactions with others to achieve better communication.   Interaction analysis is the analysis of communication in human relationships based on the concept of ego states. In other words...

This article explains how life develops from a fertilized egg, and in particular, how the gray matter plays an important role in early development.   Even complex organisms like humans begin as a single fertilized egg. As life progresses from simple to complex, it starts with a fertilized egg and goes through the stages of cell proliferation, differentiation, and morphogenesis. This process...

The Department of Materials Engineering studies the properties of various materials and explores how to apply them in real life. Students study physical chemistry, introductory mechanics, modern physics, and more, and conduct research in various fields such as inorganic semiconductors, biomaterials, and organic semiconductors to lead technological innovation.   What objects are around you...