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Posts 24088 Featured Image Salmon Red Color Evolution Antioxidant animal

Why are salmon flesh and salmon roe red (pink)? A scientific explanation of the surprising evolutionary reasons and antioxidant properties!

It's common knowledge that salmon sashimi (meat), fillets, and salmon roe are red or salmon pink. Whether you're at a sushi restaurant, playing Salmon Run in the game Splatoon, or seeing Sanrio's KIRIMI-chan, you accept it without question...
2026.06.18
animal
Posts 20230 Featured Image Wordpress Bed Bug Detection And Eradication Guide animal

[Real-life experience] How to find bed bugs and the complete procedure for eradicating them! A thorough explanation of bite marks, eggs, and their life cycle.

Recently, bed bugs appeared in my apartment. Bed bugs (Cimex lectularius) are indoor pests belonging to the genus Cimex in the family Cordycepsidae, order Hemiptera. In Japan, after World War II, effective insecticides were used to combat them...
2026.05.18
animal
Posts 8805 Featured Image Cochineal Lac Shellac Differences animal

What are the differences between cochineal, lac, and shellac, insects we actually eat every day? Is it true that they are found in large quantities in red foods and lipstick? Are they dangerous? Why are they used?

In Japan, except in some regions, eating insects is extremely rare, and it's safe to say that it's almost unheard of among younger generations, especially in urban areas. While some advocate for insect consumption as a way to prepare for food shortages, cries of "Absolutely not!" are heard, mainly on social media. Even though I work with insects, I still...
2026.02.19
animalhistory
Posts 18742 Featured Image Ruminant Stomach Compartments animal

What are the differences, roles, functions, and ways to remember the stomachs of ruminants (tripe, honeycomb tripe, omasum, and abomasum)? Why did rumination evolve?

When you go to a yakiniku (Japanese barbecue) restaurant, you might see four parts of the cow's stomach (fore-stomach) listed as offal: mino, hachinosu, senmai, and giara. Because they have a distinctive taste and are internal organs, people either love them or hate them, but their chewy texture and compatibility with alcohol make them a popular choice...
2026.01.22
animal
Posts 18617 Featured Image Adlerian Psychology Scientific Evidence animal

Is Adlerian psychology suspicious? Is it dubious? Is it pseudoscience? How much of it is actually proven? We'll explain the scientific basis and common misconceptions!

If we were to summarize Adlerian psychology in one sentence, it would be: "A psychology that fosters the ability to live in cooperation with others (community feeling) by choosing one's own life (self-determination), acting in accordance with one's purpose (teleology), and letting go of unnecessary control over others (separation of tasks)." However, his psychology...
2026.01.20
animalhistory
Posts 16293 Featured Image Origin Of Rhythm And Meter animal

What are the origins of rhythm and time signatures (2/4, 4/4, 3/4)? An explanation of their evolutionary and historical origins!

When you take up listening to music, singing, or dancing as hobbies, you naturally develop an interest in rhythm and time signatures. However, if you try to pinpoint the origins of these things, you might find it difficult to answer. Because we often find ourselves naturally moving to rhythms, we might not even question it...
2025.11.12
animalhistory
Posts 16225 Featured Image Why Bears Should Not Be Eradicated animal

Why shouldn't we exterminate bears to the point of extinction? A complete explanation of the benefits of bears (Asian black bears and brown bears)!

In Japan, the Japanese black bear (Ursus thibetanus japonicus) is found on Honshu and Shikoku, while the Hokkaido brown bear (Ursus arctos yesoensis) is found on Hokkaido. In 2025, these bears were projected to be active in populated areas...
2025.11.02
animalecosystem
11.3529 Japanese Centipede (Adult, Full Form) animal

What is the role of the strangely enlarged final legs of the *Centipede* species? Could they be a secret weapon for aggressively defending against predators?!

The term "female centipedes" refers to a group of centipedes belonging to the genus *Scylla* in the family Scolopendridae, order Scolopendromorpha. These centipedes are burrowing and rarely seen by the average person, but their most striking feature is their strangely enlarged final gait. While there have been various theories regarding the function of this final gait,...
2024.11.26
animal
13.24534 Towada Giant Beetle (adult) animal

The Towada mosquito is not only beautiful, but it's also a "mosquito that eats mosquitoes"!? We delve into the mysteries of this mosquito with its unique habitat and everything else about it.

When you think of mosquitoes, you probably imagine blood-sucking insects that are a real nuisance in the summer. However, there's a type of mosquito in Japan that doesn't suck blood at all. The Towada mosquito is harmless as an adult, doesn't suck blood, and is the largest and most beautiful mosquito in Japan...
2024.08.26
animal
13.09580 Morishita's ant, female, adult, worker, side view animal

The hooked ant is an ant that only eats "insect eggs"!? Unraveling the mystery of its "hook" shaped abdomen!

When you hear the word "ant," you might picture a black insect crawling on the ground. However, there are actually many unknown species of ants living underground, and among them, the Hooked Ants and Pterodactylus ants have a very unique shape with a hook-shaped abdomen. Their appearance is...
2024.08.25
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