The weight of a diamond is measured in carats, and one carat is 0.2 grams. The heaviest diamond that has ever been found to this date is weighed 621 grams or 3105 carats.
One day on the Moon lasts for 700 hours, or nearly 30 Earth days.
A human and a sloth are the only creatures that normally make love face to face.
Woodward Avenue in Detroit carries the mark “M1” because it was the first paved road anywhere in the world.
The museum dedicated to skyscrapers is located in New York.
Oysters can change their sex from male to female. They can do this countless times.