Geo
01 January, 1994
The skeletons of a normal mouse and of one (top) that was genetically manipulated to be born with spina bifida. At Jackson Laboratory 1.5 million mice are bred for medical research every year. By creating mice which suffer from various diseases, biogeneticists are able to study whether and how congenital defects can be prevented and treated in humans.
George Steinmetz
His expeditions to the Sahara and Gobi deserts have been featured in separate National Geographic Explorer programs. He specializes in aerial photography and pioneered the use of...
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