LIZ BONNIN: Hi, Liz Bonnin here. I'm a science, wildlife and natural history presenter and I'm passionate about conservation and the natural world, and today, we're here on the south coast by the ...

No hang on, not THAT kind of cycle. Now what’s that you’ve got there? A shrink ray?! Right go on, into the sea with you. So, the sun heats up water in the sea, rivers and lakes, and turns it ...