A version of this story appeared in CNN's Wonder Theory newsletter. Tell us what you'd like to see more of in the newsletter at sciencenewsletter@cnn.com. (CNN) If you're a parent, you're intimately acquainted with one question that hatches an infinite number of them: Why? From the time we're little, we're encouraged to be curious and seek answers to life's puzzles. It's the joy of discovery -- and ultimately how we understand the world around us.

Source: CNN January 15, 2022 23:39 UTC