A condom can protect you against HIV and sexually-transmitted diseases. Everyone knows that – or at least we hope so. But I’m pretty sure you don’t know that a condom can’t protect you against Lord Voldemort. Or the Hulk. Or an impending Death Star attack. The Centre for HIV and Sexual Health created the video Ten Ways a Condom Can’t Protect You for World AIDS Day, to promote the practice of safe sex. Thanks to this video, we know now that even a condom can’t protect us from Miley Cyrus.