What does Boxing Day have to do with boxing?   [ney-thuh nz]
/ˈneɪ θənz/ Daniel, 1928–1999, U.S. biologist: Nobel Prize in
medicine 1978. Unabridged Cite This Source d nathans in Medicine
Nathans Na·thans (nā'thənz), Daniel. Born 1928.  American
microbiologist. He shared a 1978 Nobel Prize for the discovery
of restriction enzymes and their application to molecular
genetics.  The American Heritage® Stedman's Medical Dictionary
Cite This Source d nathans in Science American microbiologist
who pioneered the use of restriction enzymes—enzymes that break
DNA molecules down into manageable fragments—to create the first
genetic map on which the location of specific genes on the DNA
could be identified. For this work, which revolutionized genetic
engineering, Nathans shared the 1978 Nobel Prize for physiology
or medicine with Werner Arber and Hamilton Smith. The American
Heritage® Science Dictionary Cite This Source  Word of the Day
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