A brief history of pharmacy admissions in North America

Brief History of pharmacy ethics in Iran

Pharmacy is an ethical profession. The aim of this study was to investigate the history of pharmacy ethics in Iran. In the ancient Persia, medical and pharmaceutical ethics were related to religious rules, and everybody had to respect it. The ethical rules were similar to some current pharmacy ethics. During Islamic era, the pharmacy ethics were edited according to the Islamic rules. After intr...

Brief history of mycology in Iran

The history of mycology in Iran is presented in five periods. In the first period (until 1860) there is no sign of Iranian fungi in scientific literature. In the second period (1860–1941) the study of Iranian fungi was started by foreign mycologists who did not visit Iran but worked on plant material collected by botanists. In the third period (1941–1963) the study of Iranian fungi was started ...

Brief communication: Haplogroup X confirmed in prehistoric North America.

Haplogroup X represents approximately 3% of all modern Native North American mitochondrial lineages. Using RFLP and hypervariable segment I (HVSI) sequence analyses, we identified a prehistoric individual radiocarbon dated to 1,340 +/- 40 years BP that is a member of haplogroup X, found near the Columbia River in Vantage, Washington. The presence of haplogroup X in prehistoric North America, al...

History of grassland birds in eastern North America

a brief history of zero

it is generally recognised that ‘zero’ as we understand the concept today originated in two geographically separated cultures: the maya and indian. however, if zero merely signified a magnitude or a direction separator (i.e. separating those above the zero level from those below the zero level), the egyptian zero, nfr, dating back at least four thousand years, amply served these purposes. if ze...