1991 Definition of Primary and Secondary Information Sources

Information may be categorized into primary and secondary material. If information is new and has never been published before it research, new legislation and survey results, like government is termed primary. It includes original statistics. Primary information is always up-to-date, detailed, accurate and specialized. Consequently, fewer people want to use it and it tends to be expensive. Information produced when scientists re-work primary material for a special purpose, like writing a ski...

 Make Your Plate Colorful

“Make your plate colorful,” she had advised, and the late-summer bounty makes that easy: into the cart go red tomatoes (full of beneficial carotenoids), orange yams (rich in vitamin A), and green spinach (lots of calcium and iron). Eating a variety of fruits and vegetables of different colors, Michels had explained, ensures that you’re getting a full complement of micronutrients. Now I add a couple of avocados, full of B vitamins, plus potassium; a few bunches of broccoli, rich in ribof...