Science: Top of the Decade: Science

> Perfection of the first working model of a laser, 1960.

> François Jacob and Jacques Monod formulate the gene represser theory, which correctly explains how genes are turned "on" and "off," 1961.

> Murray Gell-Mann develops the "eightfold way" to explain the relationships between subatomic particles, 1961.

> Genetic code of the DNA molecule is broken by Marshall Nirenberg and J. Heinrich Matthaei, 1961.

> Maarten Schmidt discovers that quasars may be the most distant objects in the universe, 1963.

> Mariner transmits close-up photographs...

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