Sometimes people tend to mistake weather (a short-term phenomenon) for climate (the long-term average). I recently came across this video in which astrophysicist Neil deGrasse Tyson explains the difference between the two. I think it’s a brilliant example of conveying complex concepts using a simple analogy. In this case that of walking a dog on the beach:
Of course, different audiences can digest, or require, much more complexity than this video. But in general, we should have more scientific insights imparted like this: using short, simple analogies narrated by people with proper credentials.