What Scientific Question Most Piques Your Curiosity?

Illustration for article titled What Scientific Question Most Piques Your Curiosity?

Science is built upon questions, ranging from the deceptively mundane to the mind-bendingly complex. Today we want to know about the question that is most intriguing to you.

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It could be a question that doesn't have an answer yet, or it could be a question that is all the more intriguing for having a partial answer, or it could even be a question with multiple answers. Whatever it is tell us about it in the comments — and what it is about it that fascinates you.

Image: ESA, NASA, and L. Calcada.

DISCUSSION

acutewinnipegosis
AcuteWinnipegosis

The heck is dark matter?