overview : 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.

First Air Date : Apr 07, 1984

Last Air Date : Mar 29, 1986

Runtime : 30m

Episodes : 100

Seasons : 1

Genre : Kids,Animation,

Companies : TBS

Countries : JP

Keywords : anime