• Lazcano, A., and Miller, S.L. (1996). The origin and early evolution of life: prebiotic chemistry, the pre-RNA world and time. Cell, 85, 793–8.

• Wahl, M.C., and Sundaralingam, M. (1997). C–H ··· O hydrogen bonding in biology. Trends in Biochemical Sciences, 22, 97–102. Unconventional hydrogen bonds are found in proteins, nucleic acids, and carbohydrates.

• Ball, P. (2008). Water: Water—an enduring mystery. Nature, 452, 291–2.

A short essay that queries how well we really understand the structure and properties of water, and emphasizes its importance in cellular processes.