Overcoming Bias

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Trillions At War

www.overcomingbias.com

Trillions At War

Robin Hanson
Nov 20, 2011
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Trillions At War

www.overcomingbias.com

The most breathtaking example of colony allegiance in the ant world is that of the Linepithema humile ant. Though native to Argentina, it has spread to many other parts of the world by hitching rides in human cargo. In California the biggest of these “supercolonies” ranges from San Francisco to the Mexican border and may contain a trillion individuals, united throughout by the same “national” identity. Each month millions of Argentine ants die along battlefronts that extend for miles around San Diego, where clashes occur with three other colonies in wars that may have been going on since the species arrived in the state a century ago. The Lanchester square law [of combat] applies with a vengeance in these battles. Cheap, tiny and constantly being replaced by an inexhaustible supply of reinforcements as they fall, Argentine workers reach densities of a few million in the average suburban yard. By vastly outnumbering whatever native species they encounter, the supercolonies control absolute territories, killing every competitor they contact. (more)

Shades of our future, as someday we will hopefully have quadrillions of descendants, and alas they will likely sometimes go to war.

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Trillions At War

www.overcomingbias.com
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