Digital Vision./Digital Vision/Getty Images. The Kalahari Desert is a vast arid grassland that reaches into three African nations -- Botswana, Namibia and South Africa -- and encompasses an area of approximately 360,000 square miles. Due to this great range and the seasonal and geographic variations in water and temperature, the Kalahari has a rich and diverse ...
Size of a great white shark compared to a human. Photo credit: Any, CC BY-SA 3.0. Winner: The great white shark might have scarier teeth, but the killer whale is bigger and faster. Killer whales also have an advantage when hunting in big groups. Notable examples of sharks vs. killer whales: Blue Cliffs Beach, Tuatapere, New Zealand â Boxing Day 2011.
New footage has emerged of a 20-foot-long great white shark named 'Deep Blue' which is believed to be the largest of its kind in the world. The footage was captured by shark researcher Mauricio Hoyos Padilla off Mexico's Guadalupe Island in 2013, but wasn't released until now because he had only recently found the recording on his computer.