автор: Matt King

More sulfuric acid is produced every year than any other chemical. It has a wide range of uses including phosphate fertilizer production, explosives, glue, wood preservatives, and lead-acid batteries …

By some measure the most widely produced chemical in the world today, sulfuric acid has an extraordinary range of modern uses, including phosphate fertilizer production, explosives, glue, wood preser …

Dynasties Intertwined traces the turbulent relationship between the Zirids of Ifriqiya and the Normans of Sicily during the eleventh and twelfth centuries. In doing so, it reveals the complex web of …

Mental illness is an issue of great practical importance. Yet, despite sustained inquiry from scientists and philosophers alike, relatively little attention has been paid to the significance of menta …

Mental illness is an issue of great practical importance. Yet, despite sustained inquiry from scientists and philosophers alike, relatively little attention has been paid to the significance of menta …

Dynasties Intertwined traces the turbulent relationship between the Zirids of Ifriqiya and the Normans of Sicily during the eleventh and twelfth centuries. In doing so, it reveals the complex web of …

We evaluate people all the time for a wide variety of activities. We blame them for miscalculations, uninspired art, and committing crimes. We praise them for detailed brushwork, a superb pass, and t …

We evaluate people all the time for a wide variety of activities. We blame them for miscalculations, uninspired art, and committing crimes. We praise them for detailed brushwork, a superb pass, and t …

The Book of Roger is a twelfth-century Arabic geographical treatise commissioned by King Roger II of Sicily and compiled by the Muslim polymath al-Idrisi. On its completion in around 1157 it was the …

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