CategoryKnowledge

The altruistic behavior of humans to help others, even at the risk of their own lives, is due to a combination of social and cultural factors, including the kin selection hypothesis, which is based on the instinct to spread genes.   In the movie The Maze Runner, the main character Thomas sees injured Minho and Albie and rushes to them just before the maze’s doors close, trapping...

The throat-clearing and beer-bottle smashing in the movies we grew up watching aren’t just about showing off. It’s a way to send a strong signal to others through your own unique abilities, and it’s an example of the “costly signaling” hypothesis. This hypothesis is found in a variety of fields, including art, sports, and academia, and plays an important role in...

This article explains the “kin selection hypothesis,” which proposes that altruistic behaviors such as parental love for children are based on the survival strategies of genes, rather than simple sacrifice. According to this hypothesis, altruistic behavior is a selfish means for genes to reproduce and survive, emphasizing the importance of kinship ties and cooperation.   There...

Many devices in the smart age are powered by artificial intelligence, and voice recognition technologies like Siri aim to communicate with humans in language. The Turing Test and the Chinese Room Debate discuss the limitations of AI, but advances in AI are revolutionizing many fields. However, the ethical issues and social impacts of artificial intelligence require continued research and...

Artificial intelligence technologies in the Fourth Industrial Revolution are both replacing jobs and creating new ones. The use of artificial intelligence maximizes efficiency and convenience, but it also has a double-edged sword: it eliminates jobs and creates new ones, requiring us to adapt to the future of work.   As the Fourth Industrial Revolution progresses, AI is becoming more and...

When investing your free money in a company, it is important to analyze its financial statements to assess its financial condition and management performance. By analyzing financial ratios, you can determine a company’s profitability, efficiency, and stability, and make an informed investment decision that takes into account external factors and management’s capabilities.   When...

Electrochemical gas sensors generate an electrical current through a chemical reaction with specific gases to detect gas leaks and measure their concentration. They consist of an inlet, detection, and backing section, and require regular maintenance and calibration to ensure accurate measurement and reliability. These sensors play an important role in safety and environmental protection in...

College students are immersed in various tasks right after the start of the semester, and they suffer from free-riding due to inactive participation, especially in group work. To prevent this, reputational retaliation strategies, role division, and peer review systems can be introduced to strengthen cooperation and responsibility.   Right after the start of the semester, college students are...

The compilation of Goryeo histories in the early Joseon Dynasty was intended to reveal the end of Goryeo and emphasize Joseon’s legitimacy. In doing so, Taejong and Sejong sought to establish the identity of the Joseon Dynasty and emphasize the superiority of the new dynasty, which is important as a political and ideological endeavor.   The compilation of histories of Goryeo in the...

Civil engineering has developed along with the history of mankind, and various subdisciplines such as structural engineering, geotechnical engineering, and geospatial information engineering are harmoniously applied to create excellent civil structures. This has a significant impact on social efficiency and environmental sustainability.   Civil engineering has been going hand in hand with...