A zoonotic orthopoxvirus known as monkeypox inadvertently produces a smallpox-like illness in humans but with far fewer fatalities. This infection is indigenous to most parts of the African continent, outbreaks throughout Western World linked exotic animal trade and travel abroad, making it therapeutically significant. Vaccinating against smallpox had historically resulted coincidental immuniza...

Activity of Automatic Cells The normal rhythm of the mammalian heart results from spontaneous excitation of cells in the sinoatrial node. These cells possess the property of automaticity.' The transmembrane potential of working muscle fibers in the atria or ventricles demonstrates a rapid depolarization on excitation (phase 0), a period of variable duration during which the cell repolarizes (ph...

Correspondence: Alan P Hudson Department of immunology and Microbiology, wayne State University School of Medicine, Gordon H. Scott Hall, 540 East Canfield Avenue, Detroit Mi 48201, USA Tel +1 313 993 6641 Fax +1 313 577 1155 email [email protected] Abstract: Rheumatoid arthritis (RA) has been described in the medical literature for over two hundred years, but its etiology remains unknown. ...

Introduction: Almost five years after the crash-landing of the sample return capsule of the Genesis solar wind collection mission, many of the originally defined high-priority goals [1] have been reached or prospects are very good that they will be reached within the next few years. None of the major goals had to be abandoned as a consequence of the crash. This contribution reviews some of the ...

war or exploration in polar regions. Keys, et al (1950) and McCance (1951) have recently given a comprehensive historical survey of famine and war cedemas. I have no intention of covering the same ground again. So far as India is concerned, the last experience we had of hunger oedema on a large scale was in the Bengal famine of 1943-1944. Even now in certain regions of India, one gets not infre...

a r t i c l e i n f o Keywords: Pedology Soil genesis Soil history Soil taxonomy Soil science in the USA The formation and classification of soils have been a key area of research in the soil science discipline. Major breakthroughs have been brought about since the mid 1800s and it has evolved from conceptual frameworks, to descriptive studies to more quantitative approaches. Some 50 years ago ...