The coldest desert in the world (besides Antarctica) is the Gobi Desert.

The Caspian Sea is the largest landlocked body of water in the world.

Christian Konrad Sprengel was the first to discover pollination.

Flowers have both male parts (stamens) and female parts (pistils).

The diameter of the earth is 8,000 miles, and the circumference is 25,000 miles.

Male swans are called cobs.