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HU scientist finds way to catch terrorists red-handed

A scientist at the Hebrew University of Jerusalem has discovered a way to literally catch terrorists red-handed.A new chemical spray detector developed by Professor Joseph Almog of the Hebrew University's Casali Institute of Applied Chemistry detects the homemade explosive urea nitrate. When sprayed on cotton swabs taken from the hands of a suspect, if they have had recent contact with urea nitrate, the chemical will turn a blood red hue.

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