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Bulk smokeless gunpowder is manufactured in a large variety of shapes, sizes, and textures, many different types look similar, making it challenging to differentiate between types of powders. One chemical discriminating parameter is the presence of nitroglycerin, which often requires expensive instrumentation to be detected. By using the Hanging drop technique, whereby a sample is induced to react inside a drop hanging over it after, it is possible to differentiate between single and double-base smokeless powders. The method resulted in a successful, time effective, and non-destructive result for the detection of nitroglycerin. For more info : http://scidoc.org/IJFP-2332-287X-04-901.php

Estimation of stature is considered an important parameter in medico-legal and forensic examinations. Therefore, this study was carried out to investigate the possibility of estimating stature from external ear morphometry in a sample of Upper Egypt population. This study was carried out on 200 persons (120 males and 80 females). Besides stature, eight measurements were obtained from both ears of each participant using manual vernier caliper. Data were analyzed by SPSS version 20. There was a strong significant positive correlation between all measurements and stature. For more info : http://scidoc.org/IJFP-2332-287X-04-1001.php