Volume 91 Issue 51 | p. 6 | News of The Week
Issue Date: December 23, 2013

A New Twist On Table Salt

Materials: At high pressures, sodium and chlorine combine with different stoichiometries
Department: Science & Technology
News Channels: Materials SCENE
Keywords: materials, sodium chloride

The conventional wisdom about sodium chloride—plain old table salt—assumes that it has a one-to-one ratio of sodium and chlorine. But at high pressures, that conventional wisdom breaks down. A new study by Artem R. Oganov of Stony Brook University, SUNY; Weiwei Zhang of China Agricultural University, in Beijing; and coworkers reports that at high pressure sodium and chlorine can combine with different stoichiometries (Science 2013, DOI: 10.1126/science.1244989).

“The . . .

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