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August 2026

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2026年8月11日 / Last updated : 2026年8月11日 桑子 研 Science

Unlocking the Mystery of Stick Insects: Why Males Are Super Rare & Their Amazing Secrets

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! Have you ever looked at what you thought was a tree branch, only to realize that it was actually a living creature? I had exactly that experience when my niece showed me a tiny insect called a stick insect. Today, let’s take a closer […]

2026年8月10日 / Last updated : 2026年8月10日 桑子 研 Science

Big Discoveries from Everyday Materials! Learn Buoyancy the Fun Way with the Aluminum Foil Boat Experiment

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. A single sheet of aluminum foil can stay afloat even when you pile dozens of glass marbles onto it. Sounds unbelievable, doesn’t it? But this is a real experiment that can be recreated right in the classroom without any special equipment or chemicals. Today, […]

2026年8月9日 / Last updated : 2026年8月9日 桑子 研 Science

What Makes Gel Ice Packs Different From Regular Ice? The Science Behind the “Aha!” Moment

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! On hot summer days, we use them to keep our lunches from spoiling, chill our drinks to an icy-cold temperature, or transport fresh food safely during a sweltering summer drive. The unsung hero behind all of these situations is the humble ice pack. And […]

2026年8月8日 / Last updated : 2026年8月8日 桑子 研 Science

Lightning at Your Fingertips! Unlocking the Secrets of the “Plasma Ball” Science’s Own Magic Trick (How Lightning Rods Work)

I’m Ken Kuwako, a Science Trainer. Every day is an experiment. Magical Light at Your Fingertips: What’s Really Behind Those Tiny Lightning Bolts? Have you ever seen a plasma ball—a fascinating glass sphere in which glowing strands of light seem to reach toward your fingertips as soon as you bring your hand close? It looks […]

2026年8月7日 / Last updated : 2026年8月7日 桑子 研 Science

Discovered! Why Regular Cola Sinks but Diet Cola Floats — The Scary Truth About Sugar

I’m Ken Kuwako, the Science Trainer. Every day is an experiment! When I first watched the video below, I was amazed. At the same time, I realized it would make a perfect lesson on buoyancy, so I decided to investigate it myself. The video shows a regular cola can and a zero-sugar (diet) cola can […]

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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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