animal

Posts 25389 Featured Image Flamingo Red One Leg Evolution

Why are flamingos red? Why do they stand on one leg? Scientific papers explain everything from the six species classifications to the reasons for their evolution.

The vibrant pink flamingos you see at zoos. In Kenshi Yonezu's song "Flamingo," their unstable, one-legged stance, their curved beaks, and their striking red color all play a central role, depicting the fleeting relationships of unfulfilled men and women, and the emptiness and patheticness of modern people...

2026.10.24

animal

13.28454 Long-nosed pygmy fly, female, adult

Why is the mouth of the beneficial insect, the long-nosed tachinid fly, so long? Its surprising behavior: a parasitic fly that feeds on nectar.

Are you familiar with the fly *Prosena siberita*? As its name suggests, it's characterized by its long, slender proboscis. Because of its extremely long proboscis relative to its body, at first glance it might resemble a blood-sucking stable fly or horsefly....

2026.10.19

animal

Posts 14444 Featured Image Why Do Snails Have Hairs

Why do snails have hair? The latest research explains the role of hair on their shells.

When we think of snails, we generally picture them slowly moving around with their coiled shells on their backs. But did you know that some snail species have their shells covered in a dense layer of fine hairs? At first glance, it almost looks like they're wearing fur. Why...?.

2026.10.19

animal

Posts 25331 Featured Image Why Armpits Sweat When Nervous

Why do we sweat under our arms when we're nervous? This article explains the role of pheromones, which communicate fear and anxiety, based on research papers.

Why do we sweat under our arms when we're nervous? This article explains everything from the physiological mechanisms behind sweating before a presentation to the effects of sweat odor on other people's emotions and brains. Based on research papers, it explores the possibility that human sweat acts as a pheromone to convey fear and anxiety, and its evolutionary significance.

2026.10.18

animal

Posts 25320 Featured Image Loxoblemmus Male Flat Head Evolution

Why are the faces of male cockatiels and three-horned crickets flat? Unraveling the evolutionary mystery through male-male combat.

When observing male Loxoblemmus campestris, Loxoblemmus sylvestris, and Loxoblemmus doenitzi crickets, their faces appear as if they have been severed...

2026.10.18

animal

Posts 24088 Featured Image Salmon Red Color Evolution Antioxidant

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

[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

Are you actually eating them every day? The differences and dangers of insect-derived food colorings: cochineal, lac, and shellac.

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 I, who work with insects...

2026.02.19

animalhistory

Posts 18742 Featured Image Ruminant Stomach Compartments

The differences between the four stomachs of a cow (tripe, honeycomb tripe, omasum, and abomasum) and how to remember them! Why do cows have four stomachs?

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 the fact that they pair well with alcohol make them popular...

2026.01.22

animal

Posts 18617 Featured Image Adlerian Psychology Scientific Evidence

Is Adlerian psychology dubious? A thorough examination using modern science to determine the extent of its scientific basis.

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