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.
A member of the order Cetacea, the blue whale (Balaenoptera musculus), is thought to be the largest animal ever to have lived. The maximum recorded weight was 190 tonnes for a specimen measuring 30 metres (98 ft), whereas longer ones, up to 33.4 metres (110 ft), have been recorded but not weighed.