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.
Blue whales are the largest animal ever known to have lived, even larger than the dinosaurs who once roamed the Earth. In fact, the longest blue whale ever measured was 111 feet long â approximately the length of three school buses parked end to end. Scientists have determined two causes for the blue whale's massive size. First, the blue whale lives in the ocean.