13+ Health Benefits of Apple Cider Vinegar. 1  Your Brain on Trust: Why Weâre Hardwired to Rely On Others. 2  19 Easy Ways You Can Torch 200 Calories In a Blink of an Eye. 3  This Mom Lost Over 150 Pounds by Cutting Out 4 Foods.
O. volvulus is transmitted by sandflies, and their role in the transmission of onchocerciasis was discovered by the Scottish parasitologist Breadablane Blacklock in Sierra Leone in the mid-1920s (19). There are accounts of the history of onchocerciasis by Grove (105) and Muller (192).
Making the world better, one answer at a time. Oxygen was discovered for the first time by a Swedish Chemist, Carl Wilhelm Scheele, in 1772. Joseph Priestly, an English chemist, independently, discovered oxygen in 1774 and published his findings the same year, three years before Scheele published.xygen was discovered for the first time by a Swedish Chemist, Carl Wilhelm Scheele, in 1772. He called the gas fire air because of the brilliant sparks it produced when it â¦ came in contact with hot charcoal dust.