"Measure for Measure," a fat little book (4 by 6 inches) with 864 pages, takes on the ambitious task of describing the INTERNATIONAL SYSTEM OF UNITS, known more often as SI (1996, ISBN 1-889796-00-X).

Keith Ayoob answers the question: 'What are Calories, Why Do They Matter?' February 1, 2009 -- Question: What is a calorie and why is it important to know how many calories there are in certain foods?

A calorie is a unit of energy. In nutrition, calories refer to the energy people get from the food and drinks they consume and the energy they use in physical activity. Calories are in the nutritional ...

What are calories, why do we need them, and can a better understanding of calories help us maintain a healthier weight throughout our lives? Calories are units of energy that a food or drink provides.

“For me, a calorie is a unit of measurement that’s a real pain in the rear.” Bo Nash is 38. He lives in Arlington, Texas, where he’s a technology director for a textbook publisher. He has a wife and ...

Calories and kcal are used interchangeably and refer to the same amount of energy, but kilojoules require conversion. Usage may differ depending on where you live. Calories are a measure of energy.

A storm in the US over how calories are measured could cross to Europe and an overhaul of the system is long overdue, according to one nutrition expert. The Almond Board of California is petitioning ...

Nearly all packaged foods we eat have a nutritional label. The amount of calories on that label is a guiding factor in helping consumers make good or bad food choices. The problem is, calorie counts ...