Supporters of asbestos have argued that chrysotile isn't as toxic as other asbestos types, yet scientific studies confirm that it causes the same diseases and is extremely hazardous to human health.
Considered more toxic than chrysotile, amosite asbestos is primarily sourced in South Africa.
The art of papermaking was obtained from prisoners taken at the Battle of Talas (751), spreading to the Islamic cities of Samarkand and Baghdad.
I have integrated this web page on human evolution into an electronic text, " Nature's Holism - Holism.Many classic works of antiquity that would otherwise have been forgotten were translated into Arabic and later in turn translated into Turkish, Sindhi, Persian, Hebrew and Latin.Knowledge was synthesized from works originating in ancient Mesopotamia, Ancient Rome, China, India, Persia, Ancient Egypt, North Africa, Ancient Greece and Byzantine civilizations.An ~35,000-year-old individual from northwest Europe represents an early branch of this founder population which was then displaced across a broad region, before reappearing in southwest Europe at the height of the last Ice Age ~19,000 years ago. During the major warming period after ~14,000 years ago, a genetic component related to present-day Near Easterners became widespread in Europe.