In this blog post, we examine the reliability and limitations of the difference-in-differences method, which is widely used to evaluate policy effects in situations where experiments are difficult to conduct. In economics, there are many instances where the effects of a policy must be evaluated to facilitate evidence-based policy discussions. This process is crucial for resolving social...
In this blog post, we examine whether we are truly living in an era of peace and whether we are overlooking invisible threats. Today, most people do not live in fear of being massacred tomorrow for no apparent reason, nor are they gripped by the terror that war will break out and they will lose everything. They can also travel over mountains without worrying that a Robin Hood-like figure...
In this blog post, we revisit the essence of convergence and examine whether the convergence we have achieved today is truly creative or merely an imitation. We are truly in the age of “convergence.” From various academic fields to industry, culture, and society at large, “convergence” is arguably one of the hottest keywords of our time. In fact, the concept of convergence did not emerge...
In this blog post, we explore the secrets of these connections through scientific experiments and data analysis to determine whether the “six degrees of separation” theory—which originated in offline human relationships—still holds true in the digital world and web networks. In the novel *Chains* by the renowned Hungarian author Frigyes Karinthy, the protagonist says: “I can connect to...
In this blog post, we explore human evolution and the future shaped by intelligent design. Are we truly facing the end of humanity? Have you ever thought about the end of humanity? If asked this question, nine out of ten people would probably say no. It might seem even stranger to think that humans—who are currently living quite comfortably and reigning at the top of the Earth’s...
In this blog post, we take an in-depth look at whether human crime—specifically the act of rape—can be explained from the perspective of evolutionary psychology. Humans act through a series of processes—“perception, decision-making, and action”—and one of the main goals of psychology is to explore why we make certain decisions. Evolutionary psychology is the field that posits the existence...
In this blog post, we explore the necessity and potential of hybrid and hydrogen vehicles, which are emerging as eco-friendly modes of transportation. Technological Advancements, Environmental Pollution, and the Search for Alternatives In modern society, technological advancements have brought many conveniences, but at the same time, they have become a factor exacerbating global warming...
In this blog post, we’ll explore why we need to sleep and how sleep affects physical and mental recovery as well as emotional stability, backed by scientific evidence. Sleep refers to the periodic state of rest necessary to recover the body and mind from accumulated fatigue. Because sleep is essential for physical and mental recovery and the maintenance of life, Shakespeare called it...
In this blog post, we’ll explore the meaning behind the images and symbols embedded in food consumption, as well as why we place such high value on those images. Food is more than just a means of survival; it is a vital element that embodies cultural and social symbols. While humans instinctively rely on food to sustain life, we also imbue it with various meanings and values in the process...
In this blog post, we’ll discuss the genetic health issues affecting Scottish Fold cats—beloved for their adorable appearance—and the societal tendency to ignore these problems. Scottish Fold cats have been gaining popularity among people lately. These cute cats are adored by many for their unique appearance. Scottish Folds are a cat breed known for their distinctive folded ears, short...