Teen injured drinking liquid nitrogen

PRINCETON, N.J. (AP) - August 15, 2008 The class was part of a program run by the Connecticut-based Summer Institute for the Gifted. It isn't affiliated with the university.

The students were performing a popular experiment in which liquid nitrogen is used to make ice cream.

Nitrogen liquefies at negative 328 degrees Fahrenheit -- cold enough to cause burns.

The Summer Institute says the boy was in critical condition and has been upgraded to stable.

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Information from: The Times, http://www.nj.com/times

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