There has been much debate in recent years about the quality of local public education in the United States. Much of this discussion has centered around the apparent underperformance of children in basic areas like reading, math, and English as reflected by low scores on standardized achievement exams relative to their international peers and the appropriate level of educational spending. This ...

This study is aimed at identifying the role of the teacher in counselling the academic delay among pupils of the essential stage of the primary school in West Amman. It is aimed at showing the effect of the variable, gender and years of experience in reforming the academic delay in the light of the study fields asserted in the content of this paper. The subject of the study consists of 53 teach...

This Classic Article is a reprint of the original work by Ernest Amory Codman, Registry of Bone Sarcoma: Part I.—Twenty-Five Criteria for Establishing the Diagnosis of Osteogenic Sarcoma. Part II.—Thirteen Registered Cases of ‘‘Five Year Cures’’ Analyzed According to These Criteria. An accompanying biographical sketch of Ernest Amory Codman, MD, and The Classic: The Registry of Bone Sarcomas as...

Dihydroactinidiolide (1) and a mixture of sterols [campesterol (2), stigmasterol (3) and beta-sitosterol (4)], together with the previously isolated individual compounds beta-sitosterol (4), 2,4-di-tert-butylphenol (5), alpha-tocopherol (6), phytol (7) were isolated from the active ethyl acetate fraction of Pereskia bleo (Kunth) DC. (Cactaceae) leaves. Cytotoxic activities of the above mentione...

The aim of the current study was the qualitative exploration and quantitative monitoring of key olive secondary metabolites in different production steps (drupes, paste, first and final oil) throughout a virgin olive oil production line. The Greek variety Koroneiki was selected as one of the most representative olives, which is rich in biological active compounds. For the first time, an HPLC-Or...