The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear. Any cup-shaped object placed over the ear produces the same effect.

Elephants have large, thin ears. Their ears are made up of a complex network of blood vessels which help regulate their temperature. Blood is circulated through their ears to cool them down in hot climates.

As of 2010, the longest suspension bridge in the world is the Akashi Kaikyo Bridge in Kobe, Japan. Opened in 1998, it spans an amazing 1991 metres (6529 feet).

AMAZING FACTS