20 Little-known Facts About World War II

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During World War II, Japan dropped bombs on China with plague-infected bubonic plague fleas. The use of these entomological weapons led to a large-scale epidemic, which subsequently claimed the lives of 440 thousand to 500 thousand Chinese.

ANIMALS How Different Animals See the World

How Different Animals See the World

Everyone probably has long known that animals see this world differently from humans. Some may even know what exactly is changing in the visual perception of a snake, cow or turtle. But sometimes knowing in words is sometimes not enough, so we offer you to see everything with your own eyes!