The Canadian dollar (symbol : $ ; code: CAD) is the currency of Canada. It is abbreviated with the dollar sign $ , or sometimes C$ to distinguish it from other dollar-denominated currencies. It is divided into 100 cents.
Mystery of how sperm whales hold their breath for 90 minutes solved as scientists discover the key is unique protein in their blood.
The Blue Whale is the largest known mammal that has ever lived, and the largest living animal, at up to 110 feet long and 150 tons. Most whales are quite active in the water. They jump high, or breach, out of the water and land back in the water.