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.
According to the Institute for Marine Mammal studies, dolphins can generally hold their breath for as long as 10 minutes. They normally breathe about four to five times per minute. Continue Reading