7 of Life’s Biggest Questions We Still Don’t Have Answers To

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Here are seven of life’s most perplexing questions that even the brainiest scientists can’t answer!

1. 1. Why do cats purr?

via telegraph.co.uk

A cat’s purr a magical sound, but can you believe nobody knows exactly why our feline friends do it? Yes, they usually make those low-pitch vibrations when they’re happy. However, some cats have been witnessed purring when hungry or frightened, so there’s got to be more to it than that. The closest answer we’ve come to is that it is used as a self-soothing technique, but further study still needs to be done.

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