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The rarity of the royal lines is actually an evolutionary strategy by the cheats, to escape suppression by the altruistic masses that they exploit.

2008-03-12

 ant intelligence animal
In a study released online on July 22 in the journal Proceedings of the Royal Society: Biological Sciences, researchers at Arizona State University and Princeton University show that ants can accomplish a task more rationally than our – multimodal, egg-headed, tool-using, bipedal, opposing-thumbed – selves.

2009-07-25

 evolution logic decision ant irrational robotics animal intelligence collective intelligence
A single mega-colony of ants has colonised much of the world, scientists have discovered. Argentine ants living in vast numbers across Europe, the US and Japan belong to the same inter-related colony, and will refuse to fight one another. The colony may be the largest of its type ever known for any insect species, and could rival humans in the scale of its world domination. What's more, people are unwittingly helping the mega-colony...

2009-07-01

 ecology evolution environment ant animal intelligence migration collective intelligence global
The ant colony optimization algorithm (ACO), is a probabilistic technique for solving computational problems which can be reduced to finding good paths through graphs.
 complexity group social artificial intelligence swarm ant evolution programming algorithm
These same plants that provide shelter and produce nourishing nectar to feed the insects also make chemicals that send them into a defensive frenzy, forcing them into retreat.

2009-12-27

 ant plant defense chemical weapon
The image shows an Asian weaver ant hanging upside down on a glass-like surface and holding a 500mg (0.02oz) weight in its jaws.

2010-02-20

 ant weight photography animal insect
When ants of the species Temnothorax unifasciatus get sick, they abandon their nest, walking far away from their relatives to die alone. They perform this act of heroism to prevent the illness that is killing them from spreading to the colony.

2010-02-15

 altruism ant disease social colony death hero
Army ants have a reputation for annihilating everything in their path as they march through the jungle. But the most complete study of its kind has found that army ants are creators of whole worlds, not destroyers. More than 300 species, ranging from birds to tiny mites, depend in part on a single species of army ant for their survival, scientists have discovered. That means army ants support a greater number of other life forms than any...

2010-11-22

 food chain ant army nomadism ecosystem insect

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