Found on a site called Stunning Stuff.
The Slave-Maker ant is so named because it raids the nest of other ants and steals their pupae. Once the pupae hatch, they are made to work as slaves.
Workers in an ant colony only live for about 45-60 days, but a colony's queen can live up to 20 years.
Ants make up 1/10 of the total world animal tissue. The total biomass of all the ants on Earth is about equal to the total biomass of all the people.
By combining force of numbers with organized aggression, ants have become the greatest insect killers on Earth -- even of their own kind.
Ants began farming about 50 million years before humans thought to raise their own crops.
The animal with the largest brain in proportion to its size is the ant. They are the smartest species of insects with about 250,000 brain cells.