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Snake Medicine, New York, 1998

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"Veterinarian Evelyn Ivey squirts medicine down a boa constrictor's throat. Most snake problems come from improper care. For instance, people often don't provide them with enough warmth."

—From "Saving Lives in the Animal ER," December 1998, National Geographic World magazine
Photograph by Erik Freeland

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Long Exposures

When making long exposures, use a remote release to avoid camera movement. If you don't have a remote release, use the camera's self-timer.

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