National Audubon Society

Lawrence Migdale/Science Source/National Audubon Society Collection/Photo Researchers, Inc. Reproduced with permission p. 207 Woman, wearing a uniform, holding three Chemiluminescence lightsticks, photograph. 

Bettmann/Corbis. Reproduced by permission p. 236 Stanford Linear Accelerator Center, photograph by David Parler. National Audubon Society Collection/Photo Researchers Inc. 

Of 84 species of wild birds studied in 1960 by the National Audubon Society in conjunction with the United States Fish and Wildlife Service,... 

Lasers being used to perfom cosmetic surgery. Photograph by Will Deni McIntyre. National Audubon Society Collection/Photo Researdters, Inc. Reproduced by permission. 

The National Audubon Society Collection/Photo Researchers, Inc. Reproduced by permission. 

A slender loris JLotis taidigiadus) in Asia. Photograph ty Flon Austing. The National Audubon Society Cdlection/Photo Researchers, Inc. Reproduced by permission. 

A computer graphic of a horseshoe magnet with iron fiiings aiigned around it Photograph by Alfred Pasieka. Science Photo Library, National Audubon Society Cdlection/Photo Researchers, Ina Reproduced by permission. 

Antimony samples. RUSS LAPPA/SCIENCE SOURCE, NATIONAL AUDUBON SOCIETY COLLECTION/PHOTO RESEARCHERS, INC. 

Atomic clocks were invented in the late 1940. Cesium is used in some atomic clocks, the most precise instrument of time-keeping. ROYAL GREENWICH OBSERVATORY, NATIONAL AUDUBON SOCIETY COLLECTION/PHOTO RESEARCHERS, INC. 

Plutonium is used to make nuclear weapons. Here, a computer-enhanced image shows the mushroom-cloud that occurred after the U.S. military released an atomic bomb on Nagasaki, Japan, on August 9, 1945, in an effort to end World War II. SCOTT CAMAZINE/ THE NATIONAL AUDUBON SOCIETY COLLECTION/PHOTO RESEARCHERS, INC. 

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