Categorywolhan

This blog post examines whether the death penalty is truly the best way to achieve justice in South Korea from various perspectives.   Introduction South Korea is currently a country that does not actually carry out executions. The last time the death penalty was carried out was on December 30, 1997, when 23 prisoners lost their lives through execution. Not a single execution has taken place...

This blog post explores strategies to prevent free riding and enhance trust and cooperation in university group projects.   For freshmen entering university, group projects represent the romanticized ideal of college life. The process of collaborating with diverse people in this new environment, building knowledge, and exchanging ideas fills them with great anticipation. However, reality is...

How is memory formed and sustained over time? This explores the principles by which memory is created and maintained through synaptic connections between neurons and the process of long-term potentiation.   Many studies in neuroscience explain memory formation through ‘long-term potentiation’. According to this theory, neurons in the brain form synaptic connections by transmitting electrical...

Nitroglycerin is widely known as an explosive, but the fact that this substance can also be used as a treatment for angina explains an intriguing scientific principle, including an irony connected to Nobel’s life.   ‘Nitroglycerin’ is a substance with the molecular formula C3H5(NO3)3, ranking among the most powerful explosives known to date. Liquid nitroglycerin possesses such power...

In this blog post, we will explore whether the origin of chickens is the result of evolution through natural selection or a product of human intelligence and intervention, examining various studies and perspectives.   There’s a saying: “Which came first, the chicken or the egg?” It is already known that the age of the Earth, and indeed the universe, is finite. So where did the first...

This blog post examines how the phenomenon of increasing human lifespan impacts nature and human society, and whether it is truly a blessing or a curse.   The world’s population continues to grow even now. Visiting the ‘Population Clock’ website allows you to see the global population count in real time, displaying the ever-changing number of people. As of April 6, 2025, the world...

In this blog post, we explore the effects and principles of neurofeedback training, cited as one reason the South Korean national archery team reached the world’s pinnacle.   In August 2016, an Olympic event kept Koreans awake at dawn for an entire month. It was a competition that had viewers gripping their seats, cheering or gasping with every shot fired by the Korean athletes...

In this blog post, we explore the origins of the myth that we only use 10% of our brain and examine the scientific facts to determine its truth in an easy and interesting way.   “Most people use only 5 to 6% of their brain. But I use 7%.” This is often attributed to the famous scientist Albert Einstein, but in fact, he never said this during his lifetime. Nevertheless, it has become a phrase...

This blog post discusses whether a brain-dead pregnant woman should be forcibly used like an incubator for the fetus’s life, and how we should view the issues of dignified death and abortion in such a situation.   Long ago, during my university days, I took a course called ‘Bioethics’. This course aimed to address various bioethical issues arising in modern society. After discussing...

This blog post delves deeply into the boundary between humans and machines, and the criteria for ‘humanity’.   Led by deep learning, artificial intelligence is advancing day by day. Deep learning, which derives answers using statistical techniques, falls far short of strong artificial intelligence—AI possessing true intelligence. However, devices utilizing deep learning can significantly...