All I could see were black rocks surrounding a blue opening and I was confident that I would get through with ease. ‘Breathe in and out’, I remember the instructor signalling to me and off I swam. I had jumped at the idea of diving through an underwater cave. Apparently, most people struggle because they…

  You may have heard that sunscreen is bad for coral reefs, but do you know what it actually does once in the ocean? Wildlife Blogger of the Year 2018 Finalist and Marine Biologist Hannah Rudd shares some sunscreen science and tips for minimising damage from sunscreen. Coral reefs are often romantically described as the…