Summertime, in the words of the familiar song, and the livin’ is easy. It’s not as easy for science teachers as you might think, though. Sure, with schools out of session, they’re no longer spending their days in lecture and lab and their nights grading and in prep. But that doesn’t mean that they’re relaxing on the beach with a tall cool beverage of their choice—not that they wouldn’t be entitled to do so! No, diligent science teachers are updating their curricula and lesson plans, participating in professional development, and catching up on the latest science. Unfortunately, the Heartland Institute is continuing to inflict its climate change denial literature on science teachers across the country. (See “Don’t Let Heartland Fool Teachers!” and “A Perfect Storm of Silver Linings” for background.) Fortunately, the Heartland mailing continues to be greeted with skepticism and dismissed with scorn. Here’s a chronological summary of the highlights over the last month or so.