Long-distance migrations are among the most physically demanding feats animals perform. Understanding potential costs and benefits of such behaviour is a fundamental question in ecology evolution. A hypothetical cost migration should be outweighed by higher productivity and/or annual survival, but few studies on migratory species have been able to directly quantify patterns survival throughout ...

a 57-year-old male with history of prostatectomy, cyctectomy, cecal urinary diversion for invasive prostate cancer and with a recent rise in psa level, was referred for bone scintigraphy to rule out osseous metastatic disease. an interesting finding was abnormal tracer accumulation throughout the large bowel, which was proved to be due to urinary diversion.

throughout history several translators with different motives and styles have tried to translate the holy koran. the study of their goals and styles/ their strong and weak points can be a way to present improved translations of the holy koran in the future. focusing on the hamd sura, this article studies three well-known german translators of koran (salomon schweigger, david friedrich megerlin,...

Aquaculture is nothing new. It arose multiple times in indigenous societies where coastal population densities of “seafood eating peoples” increased beyond the carrying capacities of natural, aquatic ecosystems to provide for them. There have been many “blue revolutions” throughout history! Aquaculture has a long, fascinating pre-history with well documented “blue revolutions” occurring through...

This paper deals with the concept of racism, which is considered as a dark topic in history world .Throughout history, racist ideology widespread throughout especially between black people and white people. In addition, many European countries started to expand their empire get more territories other countries. Joseph Conrad’s Heart Darkness his experience Congo River during 19th century dealt ...

Throughout history, analytical chemistry has been a key area for many other scientific fields [...]