The oldest rocks in the Grand Canyon are 2 billion years old.

                                                               A cat has 20 muscles in each ear.

                                            An eagle's nest can stretch wider than your sofa or couch.

   You can know the age of some fish by looking at the number of rings on there scales.

                                  Hawaii moves 3 inches closer to Japan every year.

                                                        The sun has real gold.

                                    Koala's usually stay awake for only 4 hours a day.