Analyses of underground temperature measurements from 358 boreholes in eastern North America, central Europe, southern Africa, and Australia indicate that, in the 20th century, the average surface temperature of Earth has increased by about 0.5 degreesC and that the 20th century has been the warmest of the past five centuries. The subsurface temperatures also indicate that Earth's mean surface ...

in recent centuries, women were provided with the proper space to be active in social, political, economical, cultural, intellectual and literary areas. therefore, they have done valuable activities and helped their countries to achieve increasing growth and manage fundamental changes. in this regard, the lebanese women have been active, despite all difficulties they have encountered. they try ...

Recent precise observations of solar global parameters are used to calibrate an upgraded solar model which takes into account magnetic fields in the solar interior. Historical data about sunspot numbers (from 1500 to the present) and solar radius changes (between 1715 and 1979) are used to compute solar variability on years to centuries timescales. The results show that although the 11 year var...

A recent editorial by Naoki Ikegami has proposed three key lessons from Japan’s experience of achieving virtually universal coverage with primary healthcare services: the need to integrate the existing providers of primary healthcare services into the organised health system; the need to limit government commitments to finance hospital services and the need to empower providers of primary healt...

objective: malaria is an infectious disease commonplace in tropical countries. for many years, major antimalarial drugs consisted of natural products, but since 1930s these drugs have been largely replaced with a series of synthetic drugs. this article tries to briefly indicate that some plants which previously were used to treat malaria, as a result of deficiencies of synthetic drugs, have rev...

materials and methods in the present study, authors have attempted to state the life and time of jorjani and his views by studying the history, old medical sources, and other provided recent medical literature in these fields. results the biography of hakim jorjani has been well reviewed and described precisely. conclusions based on our findings, it is clear that jorjani described and explained...

a recent editorial by naoki ikegami has proposed three key lessons from japan’s experience of achieving virtually universal coverage with primary healthcare services: the need to integrate the existing providers of primary healthcare services into the organised health system; the need to limit government commitments to finance hospital services and the need to empower providers of primary healt...