You are watching The How & Why the serie belongs in Category Kids,Animation, , Talk Show with duration Array Min and original name [まんがどうして物語], broadcast at streamingjoy.COM, 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..