Space Fact: The sun makes up 99.86% of the mass in our solar system.
History Fact: Cleopatra VII of Egypt lived closer in time to the moon landing than to the construction of the Great Pyramid of Giza.
Animal Fact: Octopuses have three hearts and blue blood.
Geography Fact: Mount Everest is not the tallest mountain on Earth when measured from base to summit; that title goes to Mauna Kea in Hawaii.
Science Fact: Honey never spoils; archaeologists have found pots of honey in ancient Egyptian tombs that are over 3,000 years old and still perfectly edible.
Technology Fact: The average smartphone today has more computing power than the computers used for the Apollo 11 moon landing.
Nature Fact: The Amazon Rainforest produces about 20% of the world's oxygen.
Language Fact: The word "queue" is the only word in the English language that is still pronounced the same way when the last four letters are removed.