is the process by which the. chemical energy. of food molecules is released and partially captured in the form of ATP. Cellular respiration is the general term which describes all metabolic reactions involved in the formation of usable energy from the breakdown of nutrients.
More pi history: European mathematicians in the early modern period developed new arithmetical formulae to approximate the value of pi, such as that of James Gregory (1638-1675), which was taken up by Leibniz: /4 = 1 - 1/3 + 1/5 - 1/7 + . . . . . . . . . . .
Pi Day celebrates the mathematical constant Ï (3.14). Â©iStockphoto.com/marekuliasz Celebrated in countries that follow the month/day (m/dd) date format, because the digits in the date, March 14 or 3/14, are the first three digits of Ï (3.14), Pi Day was founded by Physicist Larry Shaw in 1988.