The communal stomach of an ant colony
(PhysOrg.com) -- How do ant colonies manage the nutrients in their food? Audrey Dussutour from the Centre de recherche sur la cognition animale (CNRS/Université Paul Sabatier) and Steve Simpson from ...
May 06, 2009 |
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Southern Hemisphere Ants Richer and More Diversified
There are fewer species of ants in the northern hemisphere than in the southern hemisphere. This is the conclusion drawn by an international team of scientists that have studied 1,003 local ant assemblages ...
May 06, 2009 |
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How Social Insects Recognize Dead Nestmates
(PhysOrg.com) -- When an ant dies in an ant nest or near one, its body is quickly picked up by living ants and removed from the colony, thus limiting the risk of colony infection by pathogens from the corpse.
May 05, 2009 |
4.3 / 5 (6) |
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When industrious ants go too far
Nature is full of mutually beneficial arrangements between organisms—like the relationship between flowering plants and their bee pollinators. But sometimes these blissful relationships have a dark side, as Harvard biologist ...
Apr 28, 2009 |
3.5 / 5 (4) |
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How house-hunting ants choose the best home
(PhysOrg.com) -- Direct comparison of alternatives isn’t always the best way to make a decision - at least if you’re an ant. House-hunting rock ants collectively manage to choose the best nest-site without ...
Apr 22, 2009 |
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Food security for leaf-cutting ants: Workers and their fungus garden reject endophyte invaders (w/Video)
New diseases directly affect human survival and food security, especially as population density climbs. Leaf-cutting ants, one of a few groups of social insects to cultivate crops, have harvested plant material ...
Apr 02, 2009 |
5 / 5 (6) |
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Ants can learn to forage on one-way trails
Ant trails fascinate children and scientists alike. With so many ants traveling in both directions, meeting and contacting one another, carrying their loads and giving the impression that they have a sense of urgency and ...
Apr 01, 2009 |
5 / 5 (2) |
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Gene Tells Soldier Ants to Beat Swords into Ploughshares
(PhysOrg.com) -- While science has yet to discover what makes that little ol' ant think he'll move that rubber tree plant, researchers at the University of Toronto Mississauga have identified an enzyme in ...
Mar 30, 2009 |
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Optimized by Evolution, Ants Don't Have Traffic Jams
(PhysOrg.com) -- As highway traffic increases, you'd probably expect a traffic jam, where vehicles slow down due to the high density. While traffic jams are a common occurrence on our highways, high density ...
Mar 30, 2009 |
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Aussie meat ants may be invasive cane toad's Achilles' heel
Ecologists in Australia have discovered that cane toads are far more susceptible to being killed and eaten by meat ants than native frogs. Their research - published in the British Ecological Society's journal Functional Ec ...
Mar 30, 2009 |
4.5 / 5 (6) |
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Desert ants smell their way home
Humans lost in the desert are well known for going around in circles, prompting scientists to ask how desert creatures find their way around without landmarks for guidance. Now research published in BioMed ...
Feb 27, 2009 |
4.3 / 5 (3) |
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Ants on the brain
(PhysOrg.com) -- Colonies of social insects such as ants and bees could collectively make decisions using mechanisms similar to those used in primate brains, according to new research from the University of ...
Biology /
Feb 25, 2009 |
4.5 / 5 (11) |
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Key to the success of invasive ants discovered
An international team of researchers, with the participation of Universitat Autňnoma de Barcelona and CREAF, has achieved to resolve fundamental questions related to the behaviour of ants. Researchers discovered how ...
Biology /
Jan 21, 2009 |
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Native Lizards Evolve to Escape Attacks by Fire Ants
(PhysOrg.com) -- Penn State Assistant Professor of Biology Tracy Langkilde has shown that native fence lizards in the southeastern United States are adapting to potentially fatal invasive fire-ant attacks ...
Biology /
Jan 20, 2009 |
3.8 / 5 (6) |
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Hydrocarbon afterglow reveals reproductive cheaters
(PhysOrg.com) -- An ‘honest indicator’ has been discovered by a scientific team at Arizona State University that reveals reproductive cheating. But before you run out to buy an infidelity identification kit, ...
Biology /
Jan 09, 2009 |
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