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2026年7月30日 / Last updated : 2026年7月30日 桑子 研 Science

The Insect That Trains for Years Inside a Tree: The Untold Truth About the White-Spotted Longicorn Beetle

I’m Ken Kuwako, the Science Trainer. Every day is an experiment! While hiking Mount Mihara on Izu Oshima Island, I came across a remarkably large longhorn beetle. At first, I simply thought, “That’s a big beetle!” But after looking into it, I discovered that this insect leads an extraordinary life. Its name is the White-Spotted […]

2026年7月29日 / Last updated : 2026年7月29日 桑子 研 Science

The Hidden Physics of “It’s a Small World”! How Circular Motion Creates the Magic [Disneyland Physics]

I’m Ken Kuwako, the Science Trainer. Every day is an experiment! Smooth, shiny, and almost indistinguishable from real salmon roe. With just a few drops of solution, these beautiful little spheres seem to appear like magic. We recently learned this fascinating experiment during a joint science club event with Kyoritsu Girls’ Junior High School. But […]

2026年7月28日 / Last updated : 2026年7月28日 桑子 研 Science

Liquid One Second, Solid the Next! The Color-Changing “Mystery Slime” Experiment

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. At the Science Club of Chiba University Junior High School, we run a special program called “Science Club Exchange.” We visit science clubs at other schools, share our favorite experiments, and learn from one another—it’s like a friendly practice match, but for science enthusiasts. […]

2026年7月27日 / Last updated : 2026年7月27日 桑子 研 Science

Is Your Tap Water Secretly Alkaline? A BTB Experiment That Will Surprise You

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. “What color does BTB solution turn when you add it to tap water?” Many people would probably guess, “It’s drinking water, so it must be neutral… which means green, right?” Surprisingly, the real answer is quite different. Take a look. Wait… Tap Water Isn’t […]

2026年7月26日 / Last updated : 2026年7月26日 桑子 研 Science

Sort Plants Like a Detective! Discover Your Own Classification with Handmade Plant Cards

“This is a monocot, and this is a dicot—just memorize them.” Plant classification is often taught with a simple statement like that. But behind those labels lies a fascinating opportunity to explore one of science’s biggest questions: Why do we classify living things this way in the first place? In today’s lesson, students become detectives, […]

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運営:桑子研(くわこ けん)
科学の楽しさや不思議、感動を多くの人に届けていきたい。サイエンストレーナーとしてテレビ番組の科学監修・出演、実験教室、科学本執筆なども行っています。

Author: Ken Kuwako
My mission is to share the joy, wonder, and excitement of science with as many people as possible. As a Science Trainer, I stay busy supervising and appearing on science-themed TV programs, hosting hands-on experiment workshops, and authoring science books.

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