PT - JOURNAL ARTICLE AU - Paul Nurse TI - The great ideas of biology AID - 10.7861/clinmedicine.3-6-560 DP - 2003 Nov 01 TA - Clinical Medicine PG - 560--568 VI - 3 IP - 6 4099 - http://www.rcpjournals.org/content/3/6/560.short 4100 - http://www.rcpjournals.org/content/3/6/560.full SO - Clin Med2003 Nov 01; 3 AB - Four of the great ideas of biology are discussed: the cell as the basic structural and functional unit of life, the gene as the mechanism of heredity, evolution by natural selection, and life as chemistry. A fifth idea is explored whereby biological organisation is explained in terms of logical and informational processes and structures.