Andrew Odlyzko’s article “Isaac Newton and the perils of financial South Sea” (Physics Today, July 2020, page 30) is more than just a fascinating read about speculation time. It also, perhaps unintentionally, commentary on society’s assumptions scientists.Why would we expect to excel in speculation? Because his mastery mathematics complex natural systems work at Royal Mint? Perhaps. Furthermore...

This study focuses this study surveying the impact of organization structure on employees' job satisfaction of agricultural bank in Ardebil province. Data has collected from 105 employees of agricultural bank in Ardabil Province by two questionnaires with study of variables. Organizational structure Questionnaire, an18 item scale according to Robins (2000) theory and A Structured, closedended q...

BACKGROUND Free-living amoebae (FLA) are a group of ubiquitous protozoan, which are distributed in the natural and artificial environment sources. The main aim of the current study was to identify the presence of FLA in the recreational hot springs of Sarein in Ardebil Province of Iran. METHODS Seven recreational hot springs were selected in Sarein City and 28 water samples (four from each ho...

Results A 37 year old male patient presented with class III dyspnoea on exertion. He was hypertensive with dialysis dependent end stage renal disease and dialysed using an AV Fistula on the left upper limb. Echocardiography showed severe AR and LV dysfunction. CT Coronary angiography showed aortic root to be 5 cm and saccular aneurysms in the circumflex and the right coronary artery with comple...