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There is a lot of content in "One Hundred Thousand Whys". It talks about many aspects, such as: communication, transportation, military, human body, plants, medicine, animals, etc. No wonder his name is "One Hundred Thousand Whys".

One of my favorite articles. What is Big Dipper? The Big Dipper is the seven spoon-shaped stars in the constellation Ursa Major. The two stars on the spoon-shaped edge of the Big Dipper are connected together and extend five times the distance toward the mouth of the spoon.

When I was a child, I heard my grandma tell the legend of the Big Dipper. After reading "One Hundred Thousand Whys", I felt that there are many interesting things in nature. Still we didn't find it. Therefore, we must be good at discovering and thinking carefully in life.