Following is a transcript of the video. My name's Conor. I'm an audiologist, and I'm an expert in ears. And today I'm going to show you some earwax-removal videos. There is liquidy, soupy earwax; hard ...

Do you have a bottle of hydrogen peroxide in your medicine cabinet right now? The disinfectant is famous for fizzing up when poured on wounds, and so it fast became a first aid staple. (Though, it ...