The Hidden Danger of Lithium Battery-Powered Electric Bicycles and Scooters: A Case Series of the Israeli National Burn Center Experience.

Electric-powered bicycles and scooters that use rechargeable lithium batteries are an urban transportation alternative and have become increasingly popular. However, in recent years, there has been an increase in patient admissions to the Israeli National Burn Center with burns associated with their use. In this case series of all patients (n = 9) referred to the Emergency Department (February 2016-October 2020) with lithium-related battery burns from electric-powered bicycles and scooters, we present burn depth, size, treatment, inhalation injuries, and hospitalization.

Detection of gasoline on arson suspects' hands.

An arson suspect's contact with an ignitable liquid container can leave small traces of the substance on his hands, but detecting these traces is difficult. This research paper presents a method to obtain clear gasoline detection even 3h after hands have been moistened with 50 μL of gasoline using activated charcoal strips to adsorb the ignitable liquid traces directly from the suspect's hands. Light heating of the hands to 45 °C significantly increases the ability to detect gasoline traces.

A novel method for the analysis of discharged smokeless powder residues.

A novel method for the estimation of intermediate-long firing distance range is proposed. The method is based on the characterization and chemical analysis of the smokeless powder particles on the target. An adhesive lifter is applied to collect the suspected gunshot residues (GSRs) from the surface of an object, and a Modified Griess Test (MGT) is carried out after alkaline hydrolysis on the adhesive lifter.