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Chimpanzees develop tool kits to catch army ants

Chimpanzees in the Congo have developed specialized "tool kits" to forage for army ants, reveals new research published Sept. 3 in the American Journal of Primatology. This not only provides the first direct evidence of multiple tool use in this context, but suggests that chimpanzees have developed a sustainable way of harvesting food.

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Ancient Relationships May Be Kept Due To Temporary Infidelity

Fungus-farming ants have cultivated the same fungal crops for 50 million years. Each young ant queen carries a bit of fungus garden with her when she flies away to mate and establish a new nest. Short breaks in the ants' relationship with the fungus during nest establishment may contribute to the stability of this long-term mutualism, according to a study at the Smithsonian Tropical Research Institute in Gamboa, Panama.

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How cheating ants give themselves away

In ant society, workers normally give up reproducing themselves to care for their queen's offspring, who are their brothers and sisters. When workers try to cheat and have their own kids in the queen's presence, their peers swiftly attack and physically restrain them from reproducing.

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Researchers explore genetic basis of social behavior in ants

Understanding how interactions between genes and the environment influence social behavior is a fundamental research goal. In a new study, researchers at the University of Lausanne and the University of Georgia have shed light on the numbers and types of genes that may control social organization in fire ant colonies.

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Chinese ants show promise for fighting arthritis, other diseases

Ants may be an unwelcome intruder at picnics, but they could soon be a welcome guest in your medicine cabinet. Chemists in China report identification of substances in a certain species of ants that show promise for fighting arthritis, hepatitis, and other diseases. Their study is scheduled for the April 25 issue of ACS’ Journal of Natural Products, a monthly publication.

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Playing dead is no game for ant survival

Pretending to be dead is an effective self-defense strategy adopted by young fire ant workers under attack from neighboring colonies. This tactic makes them four times more likely to survive aggression than older workers who fight back. As a result, these young workers are able to contribute to brood care and colony growth to ensure the survival and fitness of their queen.

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Ant guts could pave the way for better drugs

Scientists have discovered two key proteins that guide one of the two groups of pathogenic bacteria to make their hardy outer shells -- their defense against the world.

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Smithsonian's National Museum of Natural History reveals ants as fungus farmers

It turns out ants, like humans, are true farmers. The difference is that ants are farming fungus.

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Royal corruption is rife in the ant world

Far from being a model of social co-operation, the ant world is riddled with cheating and corruption – and it goes all the way to the top, according to scientists from the Universities of Leeds and Copenhagen.

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Attack of the invasive garden ants

An ant that is native to Eurasia is threatening to become the latest in a procession of species to invade Europe, as a result of inadvertent human introduction.

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Harvester ant moms set daughters' fates

When it comes to deciding what harvester ant daughters will be when they grow up, mother queens hold considerable sway, according to a new study published online on February 14th in Current Biology, a publication of Cell Press. The researchers report evidence that eggs are predetermined to become workers or queens from the moment they are lain.

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Insects on coffee plants follow widespread natural tendency

Ever since a forward-thinking trio of physicists identified the phenomenon known as self-organized criticality-a mechanism by which complexity arises in nature-scientists have been applying its concepts to everything from economics to avalanches.

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