Skin is the body’s largest organ, making up about 16% of your body weight—and it’s constantly renewing itself. You shed nearly a million skin cells every day.
There are more trees on Earth than stars in the Milky Way galaxy. While the Milky Way contains hundreds of billions of stars, the number of trees is estimated to be in the trillions
The first photo of a person was an accident. In 1838, Louis Daguerre took a photo of a Paris street that appeared empty due to the long exposure time—except for a man getting his boots shined, who stood still long enough to appear in the image.
The Eiffel Tower Can Be 15 cm Taller in Summer: Due to thermal expansion, the metal expands when it gets hot, making the tower slightly taller during warmer months.