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How ants find their way
Ever wondered how ants find their way straight to the uncovered food in your kitchen? Now scientists have discovered how the humble wood ant navigates over proportionally huge distances, using just very poor eyesight and confusing and changing natural landmarks. view more (2006-10-18)
Man-Made Climate Change
A new study published in this week's issue of Nature is the first to show that human activity is altering the circulation of the tropical atmosphere and ocean through global warming. view more (2006-05-04)
Why do some queen bees eat their worker bee's eggs?
Worker bees, wasps, and ants are often considered neuter. But in many species they are females with ovaries, who although unable to mate, can lay unfertilized eggs which turn into males if reared. view more (2006-12-05)
When cave crickets go out for dinner, they really go, researchers say
Cave crickets travel farther from their homes to forage - by about double - than their previously reported range, researchers have discovered. view more (2005-09-08)
Fire ant-attacking fly spreading rapidly in Texas
Parasitic flies introduced to control red imported fire ants have spread over four million acres in central and southeast Texas since the flies' introduction in 1999. view more (2006-09-27)
Some like it hot: Worms at deep-sea vents favor a fiery 45-55°C
Scientists have found that worms dwelling at deep-sea hydrothermal vents opt for temperatures of 45-55 degrees Celsius (113-131 degrees Fahrenheit) when given a choice of conditions, giving them the highest thermal preference of any animal studied to date. view more (2006-04-14)
Ability to capture large prey may be origin of army ants' cooperative behavior
Animal behaviorist Sean O'Donnell was having an afternoon cup of coffee when a giant earthworm exploded out of the leaf litter covering the jungle floor in an Ecuadorean nature preserve. The worm, later measured at nearly 16 inches long, was pursued by a column of hundreds of raiding army ants that quickly paralyzed or killed it. view more (2005-12-15)
Ants show us how to make super-highways
Certain army ants in the rainforests of Central and South America conduct spectacular predatory raids containing up to 200,000 foraging ants. view more (2007-05-29)
Study reveals classic symbiotic relationship between ants, bacteria
Ants that tend and harvest gardens of fungus have a secret weapon against the parasites that invade their crops: antibiotic-producing bacteria that the insects harbor on their bodies. view more (2006-01-06)
Ants are surprisingly ancient, arising 140-168 million years ago
Ants are considerably older than previously believed, having originated 140 to 168 million years ago, according to new Harvard University research published in the journal Science. view more (2006-04-12)
How does one sex grow larger than the other?
Why are males larger than females in some animal species (such as most mammals), females larger than males in others (such as most insects), and why are the sexes alike in yet other species (such as several birds)? view more (2007-01-30)
New genetic analysis forces re-draw of insect family tree
The family tree covering almost half the animal species on the planet has been re-drawn following a genetic analysis which has revealed new relationships between four major groups of insects. view more (2006-10-27)
Worker ants store fat to share with colony members during times of need
In a fascinating new study from the September/October 2006 issue of Physiological and Biochemical Zoology, Daniel A. Hahn (University of Florida) explores the ability of ants to store excess fat and pass it to colony members through lipid-rich oral secretions or unfertilized eggs. view more (2006-07-27)
Bizarre bug wears host's skin
Oxford scientists have discovered a particularly macabre method one parasite (Strepsiptera) has for disguising itself in its insect host: it wraps itself in a piece of the host's own body tissue. In this way the strepsipteran masquerades as 'self', and is protected from the insect's immune system. The mechanism whereby Strepsiptera flourish... view more... (2003-06-03)
Cellular cues identified for stroke recovery
When a stroke strikes, the supply of blood to the part of the brain affected is interrupted, starving it of oxygen. Brain cells can be seriously damaged or die, impairing local brain function. view more (2006-12-26)
Ants, not evil spirits, create devil's gardens in the Amazon rainforest, study finds
For the first time, scientists have identified an ant species that produces its own natural herbicide to poison unwanted plants. view more (2005-09-22)
Water found to be main culprit in Argentine ant invasions
According to a study conducted by two biologists at the University of California, San Diego, Argentine ants in Southern California need wet soil to live and breed. view more (2006-03-30)
No place like home: Ant navigation skills used in robot navigation
Next time you find yourself lost despite having a map and satellite navigation, spare a thought for the unfortunate ant that must take regular trips home to avoid losing its way. view more (2006-04-04)
Symbiotic fungus does not depend on fungus-farming ants for reproduction, researchers say
Fungus-farming ants around the world cultivate essentially the same fungus and are not as critical to the reproduction of the fungi as previously believed, biologists at The University of Texas at Austin have discovered. view more (2006-06-28)
Grizzly bears feast on diverse diet
There's no such thing as picky grizzly bears—they'll eat almost anything they can find. A new University of Alberta study that tracked food habits of the Alberta grizzly bear living in the foothills sheds some light on the animal's varied diet and their activity pattern. view more (2007-02-15)
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