By Robert D. Morris
With the prepared eyes of a scientist and the sensibilities of a professional author, Dr. Robert Morris chronicles the interesting and from time to time scary tale of our ingesting water. His gripping narrative vividly recounts the epidemics that experience shaken towns and countries, the scientists who reached into the invisible and emerged with arguable truths that will shop thousands of lives, and the commercial and political forces that antagonistic those researchers in a ferocious warfare of principles.
In the gritty international of nineteenth-century England, amid the ravages of cholera, Morris introduces John Snow, the medical professional who proved that the lethal disorder may be hidden in a drop of water. a long time later within the deserts of Africa, the tale follows Louis Pasteur and Robert Koch as they raced to discover the reason for cholera and a way to avoid its unfold. within the 20th century, burgeoning towns might subdue cholera and typhoid through bending rivers to their will, construction titanic filtration crops, and effervescent toxic gasoline via their consuming water. notwithstanding, with the arriving of the recent millennium, the demon of waterborne disorder is threatening to reemerge, and a transforming into physique of study has associated the chlorine depended on for water remedy with melanoma and stillbirths.
In The Blue Death, Morris dispels notions of fail-safe water platforms. alongside the best way he finds a few surprising truths: the thousands of miles of leaking water mains, regularly evolving microorganisms, and the looming probability of bioterrorism, that may bring about disaster. throughout time and around the globe, this riveting account deals alarming information regarding the traditional and man-made dangers found in the very water we drink.
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Extra info for The Blue Death: Disease, Disaster, and the Water We Drink
Example text
Virus disease of plants was known long before the discovery of bacteria. i) Eupatorium yellow vein disease is the first record of viral disease by Japanese empress Koken in her poem in 752 AD. ii) Breaking of flower colour of tulips (as early as 1576). iii) Transmission of leaf variegations from the scion to the stock of woody plants (as early as 1700). 2. Tobacco mosaic was identified by Swietch in Holland during 1857. 3. In 1882, Adolph Mayer (1843–1942) described a condition of tobacco plants, which he called ‘‘mosaic disease’’ (‘‘mozaïkziekte’’).
2012). The majority of the virus diseases which are affecting crop plants are responsible for heavy yield losses. Historically, viruses are perceived almost exclusively as a health threat to humans, livestock, and crop plants. However, recent progress in understanding virus-host interactions has transformed viruses into important molecular tools (gene vectors, regulatory elements of transcription and translation) of biomedicine and biotechnology. According to 9th ICTV report and subsequent online updates, there are 349 genera and 2284 virus species (King et al.
Since the responses of these plants to viral infections under greenhouse conditions are consistent and distinctive, they are commonly used as indicator plants (Nayudu 2008). In virus infected plants, two major types of responses are noticed. Local lesions, which are confined to inoculated leaves (local lesion hosts), and systemic infections which produce symptoms on leaves distant from the inoculation site (systemic hosts). Many plant viruses are transmissible to indicator plants by means of mechanical transmission or grafting.