Even when the sharks are found closer to the ocean surface, they spend their time in the cool-temperature, plankton-rich waters that limit underwater visibility and make diving difficult.

CNN: Scientists discover winter home of world's second-biggest fish

Ovi Maps beta adds visibility to subways, trams and trains in 85 cities around the world, real-time traffic, safety alerts in or out of navigation mode, visibility to parking and petrol stations, and speed limit warnings.

ENGADGET: Nokia announces new C6 and C7 Symbian^3 handsets with 8 megapixel cameras, 720p video