A hiu expert in Australia tests an electro magnetic device that could be attached to a surf board that may reduce the chances of someone being attacked oleh a shark.
An international team of scientists and explorers, lead oleh Dr Julian Bayliss, go on an extraordinary mission in Mozambique to reach a forest that no human has set foot in.
Abandoned houses hide beneath blankets of vines in the former fishing village of Houtouwan, on Shengshan, one of hundreds of islands in China's Hangzhou Bay.