Bird droppings are the chief export of Nauru, an island nation in the western Pacific.
Gold is the only metal that doesn't rust, even if it is buried in the ground for thousands of years.
Given their sheer volume, ninety-nine percent of the living space on the planet is found in the oceans. The average depth of the oceans is 2.5 miles (4 km). The deepest point lies in the Mariana Trench, 6.8 miles (10.9 km) down. By way of comparison, Mount Everest is only 5.5 miles (8.8 km) high.
There wasn't a single pony in the Pony Express, just horses!
You can figure out which way is south if you are near a tree stump. The growth rings are wider on the south side.
The smallest planet in our solar system is Pluto (now called 'dwarf planet' and not a true planet.)
The San Blas Indian women of Panama consider giant noses a mark of great beauty. They paint black lines down the center of their noses to make them appear longer.
A person could grow 600 complete eyelashes in a life time.
There is a canyon on Mars that would stretch from New York to San Francisco.
Some species of Bamboo can grow at the rate of 1 metres in 24 hours.