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Pick Your Poison
MAY 2005
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Poison Photo 5

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Growing Resistance
Photograph by Cary Wolinsky

A combatant in the age-old war against rats, Pyare Khan has been selling rat poison on the streets of Mumbai and Bangalore for nearly 40 years. Rats and men have never seen eye to eye; as far back as the 1500s the Chinese were using arsenic to kill rats and mice in their rice fields. These days rodenticide resistance is a nasty problem. With extended exposure to poison, resistant rats breed while others die off, leaving a resistant population. The same problem occurs with insects and insecticides. The resistance of pests to many of the available insecticides, herbicides, and rodenticides results in an escalating arms race. As the prey (insects, weeds, or rats) becomes more resistant, the predator (man) must come up with new methods or poisons to beat the pests, sometimes to the detriment of the environment.

Photo Fast Facts
Camera: Nikon F100
Film Type: Fujichrome Velvia 100
Lens: 17-35mm
Speed and F-Stop: 1/125 @ f/11

Weather Conditions: Hot, humid, and slightly overcast with periods of sun
Time of Day: 10 a.m.
Lighting Techniques: Available light

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