Foundation.; 15: The Art Archive/Marine Museum, Lisbon/Dagli Orti;
17: (left) George Disario/Corbis, (right) The Granger Collection, New
York; 18: Cordelia Molly/Photo Researchers, Inc.; 19: Encyclop.dia
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McDonald/Corbis; 21: © David Muench/Corbis; 23: Owaki -
Kulla/Corbis; 24: Matthew HarrisCordaiy Photo Library
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298 Credits BRITANNICA STUDENT ENCYCLOPEDIA
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Reuters/Corbis; 29: © Robert ParentTime Life Pictures/Getty
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GalPhotographers Choice/Getty Images; 81: SEF/Art Resource,
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101: Lynsey Addario/Corbis; 102: NASA/JPL; 103: Hulton
Archive/Getty Images; 105: The Granger Collection, New York;
106: (left) Michael Boys/Corbis, (right) Lester Lefkowitz/Corbis;
107: Encyclop.dia Britannica, Inc.; 108: Charles & Josette
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110: © Spectrum Colour Library/Heritage-Images; 111: Catherine
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HirschmannScience Faction/Getty Images; 118: Bullaty-Lomeo
The Image Bank/Getty Images; 119: Wolfgang Kaehler/Corbis;
120: (left) Lawrence Migdale/Photo Researchers, Inc., (right)
Encyclop.dia Britannica, Inc.; 121: Judie Anderson/EB Inc.; 122: The
Granger Collection, New York; 123: AdamWoolfitt/Corbis;
124: George Steinmetz/Corbis; 125: Gavriel Jecan/Corbis; 128: (left)
Bettmann/Corbis, (right) Sean Gallup/Getty Images; 129: Stephen &
Donna OMeara/Photo Researchers, Inc.; 130: (left) Inga
Spence/Visuals Unlimited/Getty Images, (right) Martin Gabriel/Nature
Picture Library; 131: Frans LemmensIconica/Getty Images;
133: (left) Brendan RyanGallo Images/Getty Images, (right)
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© Kevin Fleming/Corbis, (right) Pete TurnerThe Image Bank/Getty
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