Links and Factoids is an anthology of fascinating historical and scientific facts and links to relevant Web sources.
There are 11,000 species of ants. The oldest ant fossil is more than 90 million years old. Ants are closely related to bees and wasps. They are so numerous that in some habitats - the Amazon forest, for instance - their combined weight is four times the combined weight of all other animals in the area. Ants have brains. The main nerve - similar to our spine - runs along the bottom of the ant's body. Ants smell, taste and touch with their antennas. Their cylinder-like heart pumps colorless blood throughout their body.
Ants digest only liquid food or food rendered liquid with their digestive juices. Ants share digested food with each other. They can carry 15-20 times their body weight....