Using a remote controlled vehicle with a fitted video camera, the researchers set up tests to assess how seals reacted to external stimuli and potential threats, including wolf calls played from the vehicle.

BBC: Seal pup

Another high-speed, high-definition camera, originally developed to film car crash tests, was used to capture an eye-popping scene of a Great White shark leaping out of the water to devour a seal in midair.

CNN: 'Earth' takes viewers on 'breathtaking' global journey

Other downsides of the Kindle HD 8.9 are that it lacks a rear camera and its browser, called Silk, remains in my tests a bit slower at loading Web pages than either the iPad or standard Android browsers.

WSJ: How Much of a Tablet Can You Get for Under $300?