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 largest blue whale believed to have existed in Sub-Antarctic waters. It goes without saying that blue whale organs should also be the biggest in the animal kingdom in that the tongue weighs around 2.7 metric tons (3.0 short tons) which is capable to hold 90 metric tons (99 short tons) of food. The heart weighs around 600 kilograms (1,300 lb).