In 1916 Coca-Cola adopted the bottle shape it still uses, more or less, to this day. It was inspired by a drawing of a cocoa bean gourd, which has an elongated ribbed body. While Coke has used the coca leaf and kola nut as ingredients, it has never used cocoa beans.

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Why Are Planets Round?

The Sun and all eight planets of the solar system are round. Why? The gravitational force of a planet’s mass pulls all of its material toward the center, smoothing out any jarring non-roundness. Many of the smaller bodies of the solar system are not round because their gravity is not enough to