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FLORA AND FAUNA
Ant colonies highly efficient at amassing and parsing new information
by Brooks Hays
Potsdam, Germany (UPI) May 27, 2013


More than 16,000 bees vacated from New York City tree
New York (UPI) May 27, 2013 - A mighty swarm of bees assembled about a branch of a tree at West 72nd Street and Amsterdam Avenue in New York City's Upper West Side.

The gathering was noticed by Andrew Coté, a member of the NYC Beekeepers Association. On another day, he said, he might have just shaken the tree to get them to disperse.

But pedestrians were strolling the streets in large numbers on Memorial Day and Coté thought better of it. Instead, he called the police. Luckily, the NYPD have a resident beekeeper on staff, Detective Anthony Planakis.

Planakis carefully vacuumed up the bees -- more than 16,000 of them -- boxed them, and transported them to a plushy new venue -- a hive atop the roof of the Waldorf Astoria hotel.

"This is swarm season," Planakis said. "We had a really heavy pollen season here."

Last week Planakis -- who's been on the job for 38 years -- removed some 18,000 bees from a bus stop; he expects his work to continue in the coming summer months.

A single ant isn't all that smart. But a new study suggests an amalgamation of the diminutive insects -- or ant colonies -- can create intelligent networks that gather, spread and respond to a variety of information.

"While the single ant is certainly not smart, the collective acts in a way that I'm tempted to call intelligent," explained Jurgen Kurths, researcher at the Potsdam Institute for Climate Impact Reseaerch and co-author of the new ant study. "The ants collectively form a highly efficient complex network."

Of course, the intelligence of ant colonies isn't channeled toward producing reality TV shows or selling mortgage derivatives. Their information networks are primarily concerned with finding and gathering food.

Their intelligence lies not in the ants' strategy for finding food but in the colony's efficiency in honing in on a food source and leveraging its workforce toward a specific goal -- bringing the food back to home base.

When a single ant finds a piece of food, it heads back to the center of the ant colony, releasing a pheromone scent to mark the route. Because the pheromones quickly dissipate, the growing barrage of ants still look a bit chaotic as they track down the recently discovered morsel. But as more and more ants find the food, the line of ants from home to food and back becomes straighter and more efficient.

The study also found that as ants get older they get better at foraging, having acquired more information about their surroundings than younger colony members.

Kurths argues that the chaos-to-precision find and collect transition is quite similar to how Google's search engine works -- only he says ants are better at it.

"I'd go so far as to say that the learning strategy involved in that, is more accurate and complex than a Google search," Kurths told The Independent. "These insects are, without doubt, more efficient than Google in processing information about their surroundings."

Kurths' study was published this week in the journal Proceedings of the National Academy of Sciences.

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