There’s a new medication that's making a tremendous difference in how gay men live their lives – essentially, they no longer have to fear death due to a sexual encounter. Who could view that as bad news? Well, as Sky Gilbert of the University of Guelph points out in today’s The Conversation Canada, some do, fretting that the anti-HIV drug PrEP will cause gay men to go wild. He points out: “The concern over gay male imagined libidinal insanity is a throwback to an old trope. Gay men don’t need to be controlled; at least not any more than anyone else.”

Are you in your 60s, 70s or older and living alone? If so, heatwaves could be particularly deadly for you. That demographic was hit hard in Montreal during a heatwave a month ago, despite the city’s initiatives to prepare for bouts of intense summer heat. Malcolm Araos of New York University explains what can be done to avoid more deaths.

Conspiracy theories, some of them not so far-fetched given the more we learn about Donald Trump’s ties to Russia, are abounding in the aftermath of the bizarre U.S.-Russia summit in Helsinki last month. But Atif Kubursi of McMaster University wonders if there could be two simpler explanations for the U.S. president's closeness to Vladimir Putin: Oil prices and China.

Finally, Timothy Caulfield of the University of Alberta makes the compelling case for scientists and artists to start working together. He writes: “Good science communication will require the use of as many different tools as possible. Art can play an important role.”