← Previous revisionRevision as of 18:19, 23 October 2026 Line 124: Line 124: * 1969 – [[Dorothy Crowfoot Hodgkin]] deciphered the three-dimensional structure of [[insulin]]. * 1969 – [[Dorothy Crowfoot Hodgkin]] deciphered the three-dimensional structure of [[insulin]]. * 1970 – [[Hamilton O. Smith|Hamilton Smith]] and [[Daniel Nathans]] discovered DNA [[restriction enzyme]]s. * 1970 – [[Hamilton O. Smith|Hamilton Smith]] and [[Daniel Nathans]] discovered DNA [[restriction enzyme]]s. * 1970 – [[Howard Temin]] and [[David Baltimore]] independently discovered [[reverse transcriptase]] enzymes. * 1970 – Satoshi Mizutani, [[Howard Temin]] and [[David Baltimore]] independently discovered [[reverse transcriptase]] enzymes. * 1972 – [[Albert Eschenmoser]] and [[Robert Burns Woodward|Robert Woodward]] synthesized [[Vitamin B12|vitamin B12]]. * 1972 – [[Albert Eschenmoser]] and [[Robert Burns Woodward|Robert Woodward]] synthesized [[Vitamin B12|vitamin B12]]. * 1972 – [[Stephen Jay Gould]] and [[Niles Eldredge]] proposed an idea they call "[[punctuated equilibrium]]", which states that the fossil record is an accurate depiction of the pace of evolution, with long periods of "stasis" (little change) punctuated by brief periods of rapid change and species formation (within a lineage). * 1972 – [[Stephen Jay Gould]] and [[Niles Eldredge]] proposed an idea they call "[[punctuated equilibrium]]", which states that the fossil record is an accurate depiction of the pace of evolution, with long periods of "stasis" (little change) punctuated by brief periods of rapid change and species formation (within a lineage).