Sean Evans At 18-years-old, you have no money. You have no game. Your life experience is limited to getting fired from a part-time gig at the driving range and totaling your mom’s Saturn Ion junior year. – Sean Evans
Norman Borlaug As far as plants are concerned, they can’t tell whether that nitrate ion comes from artificial chemicals or from decomposed organic matter. – Norman Borlaug
Gilbert Newton Lewis Since hydrogen is a constituent of most of our electrolytic solvents, the definition of an acid or base as a substance which gives up or takes up hydrogen ion would be more general than the one we used before, but it would not be universal. – Gilbert Newton Lewis
Gilbert Newton Lewis We frequently define an acid or a base as a substance whose aqueous solution gives, respectively, a higher concentration of hydrogen ion or of hydroxide ion than that furnished by pure water. This is a very one sided definition. – Gilbert Newton Lewis
August Krogh The affinity of blood or pure haemoglobins for oxygen is a complex phenomenon, depending upon a number of conditions, the most important of which are temperature and hydrogen ion concentration. – August Krogh
