While Howard Hall was shooting his latest IMAX movie, Under the Sea 3D, the filmmaker caught a moment he'd been waiting three decades to film: A green sea turtle feeding on a jellyfish.

based marine technology company Kraken Robotics has signed an agreement to acquire Longmont, Colo.-based subsea technology company 3D at Depth for $17 million USD ($24.5 million CAD). 3D at Depth, ...