NPR

In 2013 we decided that we’d had enough of abusive readers using the Popular Science site to spread misinformation. It was a problem we simply did not have the resources to patrol properly, so we went ahead and shut all comments down, in the interest of moving our conversation with our readers to social media. We were one of the first outlets to do it, and as a result I spent a lot of time explaining our decision.

All Things Considered
To The Point