In this blog post, we will compare the types and characteristics of stem cells and examine both the scientific value and ethical issues surrounding embryonic stem cell research. What Are Stem Cells? A stem cell, as the name suggests, is an “undifferentiated cell”—a cell with the potential to differentiate into various types of cells. Because they can develop into most types of human body...
In this blog post, we explore the evolutionary reasons and social mechanisms that have allowed altruistic behavior to survive and thrive in society, despite being disadvantageous to the individual. In human society, we often see people engaging in cooperative behavior. Moreover, altruistic behavior is observed in various animals, including ants, bees, meerkats, vampire bats, and...
In this blog post, we’ll explore why altruistic behavior persists even when it appears to be self-defeating, using group selection theory to examine the reasons behind it. As we go through life, we encounter many “kind people.” People who hand over a thousand won without hesitation to a beggar on the subway, those who donate to the Salvation Army’s red buckets during the holiday season...
In this blog post, we’ll explore the hidden meaning behind altruistic behavior through the movie *The Intern* and the reciprocity hypothesis. A recent movie has been receiving high praise and winning the hearts of many people. It’s *The Intern*, a film that depicts the journey of a young female CEO who takes on a 70-year-old retired intern named “Ben,” and how they come to understand and...
In this blog post, we’ll explore the idea that seemingly altruistic acts may actually be calculated selfishness, and examine the true meaning of kindness through various examples. As we go through life, all sorts of things happen. Horrific incidents like murder or sexual assault become social issues and are recorded in the news, but the astonishing events that unfold among the people...
How did the U.S. become the world’s largest oil producer? We examine the changes in the energy market brought about by the shale oil revolution and its impact on the global economy. Which country is the world’s largest oil producer? The economy cannot function without energy. Energy is required for everything: running factories to produce goods, loading those goods onto trucks and ships to export...
In this blog post, we will examine whether the American Revolutionary War was an inevitable consequence of the colonial expansion and failed foreign policies of 18th-century European powers, along with the historical context. In the 18th century, European powers were gradually expanding their colonies and reaching the peak of imperialism. At this time, the 13 colonies located on the...
In this blog post, we explore the structural changes in happiness that eternal life will bring. We take an in-depth look at how human desires, technological advancements, and biological conditions will be reshaped, and in what direction the sum total of happiness might expand. Before linking eternal life to happiness, we must first define what happiness is. Generally, happiness is defined...
In this blog post, we imagine the future society that will emerge from the extreme extension of human lifespan, examine how “happiness” might be redefined in an era where death is a choice, and delve deeply into how immortality will transform human existence. During the Roman Empire, the average life expectancy was approximately 25 years. This figure has steadily increased over time...
In this blog post, we will logically examine why humans can be regarded as “advanced beings” within the context of natural selection and the course of evolution, and how the ability to understand natural selection functions as a trait advantageous for survival across diverse environments. In the 19th century, Charles Darwin proposed the theory of evolution based on natural selection. He...