In our politically polarized society, nothing is beyond controversy -- including "settled" scientific issues that the scientific community does not actually consider controversial. Most likely, this is due to our 24/7 media culture, which promotes hype over accuracy and "exciting" antagonism over humdrum consensus.
As a result, many Americans are being misled on serious scientific issues, and science journalists have to spend an inordinate amount of time debunking myths which seemingly never die.
Some people object to this, claiming that nothing is ever truly "settled" in science, and therefore, everything is open for debate. While that's technically true, there are a multitude of issues in which the evidence is overwhelmingly in favor of one side of the argument.
But what of the issues in science that are genuinely controversial?