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.
14. View. comments. The sperm whale is able to hold its breath underwater for up to 90 minutes because of a unique protein in its blood, an international team of scientists has discovered. The huge mammal will often dive up to 3km deep under water for more than an hour in search of food.
PHOTOS: This 'Granny' Orca Predates the Titanic. Researchers are studying the information on bowheads to determine how these whales, which can grow to about 60 feet long and weigh 60 tons, live so long. One male might even be around 250 years old. The species is now believed to be the longest-lived mammal.