A species of dolphin is born naturally blind in the Indus and Ganges rivers in South Asia. These dolphins have a highly sophisticated sonar system and swim on only one side of their body.

When a predator is chasing an impala, a type of antelope, it runs in a zig zag formation jumping as high as three metres.

The 3 most valuable brand names on earth: Marlboro, Coca-Cola, andBudweiser, in that order.

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