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On Ice's Surface, a Dance of Molecules

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Science  20 Dec 1996:
Vol. 274, Issue 5295, pp. 2012
DOI: 10.1126/science.274.5295.2012a

Summary

A new analysis of the surface of ice hints that, even at very low temperatures, its outermost molecules behave like a liquid. This mobile layer could help explain mysteries from atmospheric chemistry to why it is more fun to skate on ice than on concrete.