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National Geographic Photo of the Day

Daily images from the National Geographic magazine archives.

January 7 2007

Photograph by

Greenwich, EnglandJanuary 6 2007

Photograph by Bruce Dale "One hop bridges east and west at Greenwich, England, where a brass strip marks zero longitude. First used by sailors to fix their position, Greenwich mean time was adopted by railroads and, after 1884, worldwide as the standard for time of day. Time is now set not by earth's rotation, but by satellite and atomic clock."(Text and photograph from "The Enigma of Time," March 1990, National Geographic magazine)

Greenwich, EnglandJanuary 5 2007

Photograph by Bruce Dale "One hop bridges east and west at Greenwich, England, where a brass strip marks zero longitude. First used by sailors to fix their position, Greenwich mean time was adopted by railroads and, after 1884, worldwide as the standard for time of day. Time is now set not by earth's rotation, but by satellite and atomic clock."(Text and photograph from "The Enigma of Time," March 1990, National Geographic magazine)

North Florida SpringsJanuary 4 2007

Photograph by Wes Skiles A flexible and graceful swimmer, the West Indian manatee migrates annually to Florida's coastal waters. This balmy winter retreat unfortunately holds a palpable danger for these gentle creatures. In 2005, collisions with watercraft and other human-related accidents accounted for nearly 25 percent of all manatee deaths in Florida according to the state's Fish and Wildlife Conservation Commission. Boating speed limits and the creation of sanctuaries are just some of the protections put into place by state and federal lawmakers to help save the endangered manatee.(Photograph shot on assignment for, but not published in, "Unlocking the Labyrinth of North Florida Springs," March 1999, National Geographic magazine)

Minab, IranJanuary 3 2007

Photograph by Alexandra Avakian A Baluchi woman wears a traditional red mask to conceal her features from public view. Iranian women are, in fact, among the most educated and accomplished in the Muslim world. Before the 1979 revolution 35 percent of women were literate; now the rate stands at 74 percent. In 1999, one in three Iranian physicians was a woman.(Text adapted from and photograph shot on assignment for, but not published in, "Iran: Testing the Waters of Reform," July 1999, National Geographic magazine)