There are about 1,350 volcanoes on land that could erupt someday.

The Argentinosaurus may have been as long as three school buses.

Crayons were first sold in 1903 in a box of eight colors.

Chocolate comes from the seeds of the cacao tree.

Octopuses can change the color of their skin in less than a second.

Penguins can't fly, but they are amazing swimmers.

There are more stars in the universe than grains of sand on all of Earth's beaches.