We live in an extraordinary time.

We can send a space ship to Mars and communicate with it as easily as making a phone call or sending a text. We can regrow body parts in a petri dish. The sky is the limit on what we can accomplish. Science is pretty great.

But as great as science is, it still can't explain EVERYTHING.

Check out this list of 50 things that are still unexplained, despite the times we live in!

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