Red Power at 50: Re-Evaluations and Memory Introduction

Red skin re-read

Although relatively rare, the symptom complex of intermittent acral warmth, pain, and erythema that defines erythromelalgia (EM) has been well documented in the medical literature for over 150 years (Graves, 1838). Despite an extended awareness of this phenomenon, the cause and underlying mechanisms have until recently been completely obscure. Part of the difficulty in understanding EM has been...

Effects of Electromagnetic Fields with Frequencies Lower Than 50 Hz and Intensity of 50 μT on Learning and Memory

Introduction: Biological effects of magnetic fields have been investigated by scientists for many years and a vast amount of research using different frequencies and intensities have been performed on humans and laboratory animals. The results of these studies, which have mostly been done by applying high frequencies, have shown that electromagnetic fields are effective on structure and functio...

Experiences from Lightweight RE Method Evaluations

A comprehensive requirements engineering (RE) method was evaluated to assess its value for practitioners. A literature search brought up two evaluation frameworks that were used as the basis for both theoretical and empirical evaluations; one of the frameworks was used as such while a lightweight adaptation was developed from the other one. The different assessments proved to complement each ot...

Public health then and now: celebrating 50 years of MMWR at CDC. Introduction.

Hepatitis E — Continued Outbreaks of hepatitis E (i.e., enterically transmitted non-A, non-B hepatitis) have occurred in some parts of the world and have generally been related to contaminated water supplies. Until recently, when research-based serologic tests ( 1,2 ) were developed to test for antibody to hepatitis E virus (anti-HEV), no serologic test was available to identify HEV infection, ...

Introduction to Power Electronics Introduction to Power Electronics