In this blog post, we’ll explore the underlying principles behind why prices in a capitalist society rarely fall once they rise, as well as how the value of money changes.   Why do prices only go up? In a capitalist society, we are constantly engaged in consumption. Unless we are self-sufficient or bartering, we buy the goods we need with money. Yesterday, today, and tomorrow—if we do not...

In this blog post, we’ll explore how to control car noise and, furthermore, how to transform unpleasant sounds into “pleasant sounds.”   “Vroom, vroom”—when walking along the roadside, it’s easy to find yourself frowning at the noise emitted by countless cars. It’s so bad that on busy roads, it can even be difficult to have a conversation with the person next to you. This noise goes beyond...

In this blog post, we’ll examine the causes of recurring sudden acceleration accidents and explore the current reality where responsibility is placed solely on the driver, as well as the responsibilities of manufacturers and the government.   Around April 2009, an acquaintance of mine was involved in a sudden acceleration accident. It happened less than a month after he had purchased his new...

In this blog post, we explore why altruism persists in human society even though natural selection favors selfishness. We examine group selection theory and the evolution of cooperation.   In our society, we see many examples of altruistic behavior, such as donating blood or cleaning up the neighborhood. This is not mere coincidence; it plays a crucial role in the maintenance and development...

This essay examines the arguments for and against whether designing a child’s appearance, intelligence, and health through genetic engineering can improve the child’s quality of life and guarantee freedom of choice.   Before presenting the arguments in favor of designing children through genetic engineering, it is necessary to consider what aspects of a child can be designed and what level...

In this blog post, we’ll take a look at how far autonomous driving technology has advanced and explore how it might transform our lives and society in the future.   When I step out of my house, my parked car drives up to greet me. I get in, tell it my destination, and before I know it, I’ve arrived—all while comfortably lying back, listening to music or watching a movie. Just a few years...

In this blog post, we’ll examine whether crime stems from an individual’s innate disposition or from environmental factors, using various examples.   Most of us have heard the story of Jean Valjean at least once in our childhood. Starving and unable to afford bread due to his poverty, Jean Valjean eventually steals some, which leads to his imprisonment. Later, Jean Valjean escapes from...

In this blog post, we will examine whether the emergence of a criminal is due to genetic factors, environmental influences, or a combination of both, drawing on various studies and case studies.   Everyone eventually faces death. However, some are murdered. Murder cases are a topic that easily captures viewers’ attention in the news. Even if the story involves someone with whom we have no...

In this blog post, we explore the relationship between criminal tendencies and genetic factors from the perspectives of brain science and neurocriminology.   On September 13, 1848, blasting operations were underway on a large rock in the Green Mountains of Vermont, USA. Foreman Phineas Gage was tasked with placing explosives in the drilled holes; the procedure involved pouring sand into the...

In this blog post, we’ll explore the scientific principles behind water droplets rolling off lotus leaves and how nanotechnology, which mimics this phenomenon, is being applied across various fields.   Everyone has probably experienced the inconvenience of getting completely soaked by a sudden downpour at least once. If you had been wearing clothes that didn’t get wet even in the rain, you...