Abstract Background Academic stress can cause mental and physical problems affect adolescents’ healthy development. This study aimed to estimate academic explore its sources at the individual- school levels among school-going adolescents in city of Qazvin, Iran. Results cross-sectional used a stratified cluster sampling recruit 1724 students aged 12–19 years from 53 schools Qazvin City. Data we...

Thermophoresis, also termed thermal diffusion or the Soret effect, moves particles along temperature gradients. For particles in liquids, the effect lacks a theoretical explanation. We present experimental results at moderate thermal gradients: (i) Thermophoretic depletion of 200 nm polystyrene spheres in water follows an exponential distribution over 2 orders of magnitude in concentration; (ii...

A 116 infectious disease Rare fungal illness follows tornado More than 1,000 people were injured when a severe tornado ripped through Joplin, Missouri, on 22 May 2011, and 158 eventually died. 1 Within a few days of the tornado, several of the injured began to suffer from a fungal infection suspected to be cutaneous necrotizing mucormycosis. Doctors scrambled to do what they could, but testing ...

Raw milk is a valuable food which its quality is important regarding both milk consumption itself and manufacturing of other dairy products. The aim of this study was to investigate the effect of different seasons on the variations of raw milk composition. To do so different samples of raw milk were taken during summer and winter from Qazvin province and their physicochemical properties includi...