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.
1 The spray from a blue whales blowhole can reach up to 3 metres! 2  Blue whales are the fastest growing animal on earth. 3  Blue whales can live up to 90 years old in the wild. 4  Because they are so huge, blue whales donât have any natural predators.  A blue whale can hold its breath for 30 minutes when searching for food.