In nature, many animals seem harmless, but they may be "murderers" that threaten human life. When we mention "animals that kill the most people", we usually think of large beasts, such as lions, tigers or sharks. However, the fact is that many animals that do not look dangerous a...
If a person drinks seawater, he will become thirstier and thirstier, and eventually he will even die of thirst. However, fish, birds, reptiles, etc. that live in the ocean throughout their lives are not in this danger. Why is this? It turns out that they all have their own unique desalination...
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