Following is a transcript of the video. Narrator: If there's one thing you know about puffer fish, it's that they can do this. When aggravated by a predator, they, you know, puff up. Some puffers, ...

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Source: Jeffry Surianto from Pexels There could be something fishy about the following situation: Say you are getting closer and closer to someone, and that person dramatically changes his or her ...