Building a drone to let us see what Africa's most dangerous animals get up to underwater is not as easy as we thought it would be! Watch as we build the first ever Earth Touch submarine camera, then send it off to Botswana's Okavango Delta for a dive with hippos in this episode of Wildlife...

Ever cringed after dropping your beloved iPhone in a puddle? Our film crew takes it to a whole new level when they dive into the watery depths at South Africa’s Sodwana Bay to test out the iPhone’s filming capabilities below the surface. Get the lowdown on the Patima iPhone 4S underwater housing,...