Scientists understand that no result is more important than the welfare of the investigators and the people around them. Safety culture is an integral part of industrial and academic jobs; however, safety training has only recently been added to chemistry classroom and laboratories. Chemistry laboratories expose workers to a variety of hazards,…

Natural arsenic salts are present in all waters, with natural concentrations of less than 10 parts per billion (ppb). Unfortunately, there is an increasing number of countries where toxic arsenic compounds in groundwater, which is used for drinking and irrigation, have been detected at concentrations above the World Health Organization's…

Chapter XXI of volume 2 covers St. Louis Exposition presentations by U.S. colleges and universities, while Chapter XXII includes foreign countries' presentations. Subsequent chapters provide discussion and statistics on length of teachers' service; city school systems; universities, colleges, and technological schools; agricultural and mechanical…