AI Literacy and Verification
What Temperature Counts as a “Kokushobi” Extreme Heat Day in Japan?
Learn Japan’s 40°C kokushobi definition, how it differs from a mōshobi, and why heat alerts use WBGT instead.
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AI Literacy and Verification
Is the feeling of fatigue when atmospheric pressure drops just a “superstition”? Or is there science behind it?
What research can and cannot establish about headaches, fatigue, and other symptoms reported around changes in atmospheric pressure.
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AI Tools and Comparisons
Using ChatGPT to Organize Health Information: Limits, Warning Signs, and Where to Seek Help
ChatGPT can organize health information but cannot replace diagnosis. This update checks its limits, Japan’s #7119, and melanoma ABCDE guidance against primary sources.
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AI Literacy and Verification
The Truth Behind Pre-Typhoon “Headaches and Fatigue”—The Little-Known Connection Between Air Pressure and the Body
“My body feels heavy for some reason when a typhoon approaches”—that feeling isn’t just in your head
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AI Literacy and Verification
Osaka July–August Heat From 2020 to 2025: A Recalculated Six-Year Table
Apply the same calculation to 62 Osaka daily observations in each year and correct unsupported annual narratives in the old article.
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AI Tools and Comparisons
What Can ChatGPT Do? — Its “Capabilities and Limitations” in 2025
“What Can ChatGPT Do?” — The Latest Update for 2025
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AI Tools and Comparisons
How can we spot lies told by AI?
How AI hallucinations produce plausible but false answers, and how to verify important claims before relying on them.
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AI Literacy and Verification
Why Does AI “Lie”?—An Easy-to-Understand Explanation of the Hallucination Problem
“That’s just AI making stuff up.”
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AI for Work and Thinking
The Psychological Reasons We See Medieval Europe as an “Ideal World”
Why fictional medieval Europe can look like an ideal world even though historical life was far harsher.
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AI for Work and Thinking
Why Is Medieval Europe So “Romantic”?
Stone castles, knights’ vows, deep forests, and candlelight— Why are we so drawn to this “Medieval European-style” world?
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AI for Work and Thinking
What the “Myth” of Medieval Europe Teaches Us
**Even though it’s a “past” that must have actually existed, it somehow feels like “fantasy.”** Medieval Europe—just hearing that name likely brings to mind cas
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AI Literacy and Verification
“Inconvenient, but Romantic”: What Is the “Lost Sense of Security” Seen in Medieval Europe?
**“It’s inconvenient, yet somehow soothing—”** Surprisingly, many people feel that sense of “comfort” when they imagine the world of medieval Europe.
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