A shark bite may kill the target quickly. However, scientists discovered the secret of why these giant fish can be a formidable hunter. Sharks have a flexible scales are almost invisible to the human eye, but consisted of the same material to form teeth. "This hidden side armor as well as functioning as a feature to simplify the movement," said Amy Lang, aerospace systems engineer at the University of Alabama.

For example, previous studies mentioned that the sharks have fine hair or how to manipulate the scale of change in direction when making quick movements. Agility is very important for the shark to catch prey that is also moving fast, such as tuna. However, recent studies show that sharks do not actively move their scale because actual movement speed control feature embedded in the skin through a tendon, such as rubber. Feather structure while the water flow around the shark, it would appear from the aerodynamic body. This method helps reduce the drag force of water when sharks are moving quickly. He compares this with the phenomenon of dimples on a golf ball that allows the ball to travel long distances in air. Lang worked with a team to study the biology of shortfin mako, a relative of the giant white shark, in the laboratory. This is the fastest and strongest fish in the sea that can jump up to 12 meters in the air. Overall, shark evolution for 400 million years concerning the strength and speed have inspired a variety of human product design, such as aircraft.