Özet
Why is seawater salty? What causes volcanoes to erupt? Why don't man-made satellites fall from the sky? What makes people sleepy? Answers to these questions and more are in this animated title which explores topics of nature, customs, and technology.
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Detaylar
- İlk Yayın
- April 7, 1984
- Son Yayın
- March 29, 1986
- Sezonlar
- 1
- Bölümler
- 100
- Durum
- Ended
- Orijinal Dil
- ja