This compilation of data is called a tide table. Tides have little effect in the open ocean and in lakes, so tables mainly are generated for coastal areas, inlets, bays and estuaries. Not surprisingly, boats rely heavily on tidal information.
nidus in Medicine. nidus niÂ·dus (nÄ«'dÉs) n. pl. niÂ·dusÂ·es or niÂ·di (-dÄ«) A central point or focus of bacterial growth in a living organism. A nest, especially one for the eggs of insects, spiders, pathogenic organisms, or small animals. A cavity where spores develop. A point or place at which something originates, accumulates, or develops, as the center around which calculi form.
Nitric acid (HNO 3) is an extremely important chemical used in the manufacture of fertilisers and explosives. It is made from ammonia by the Ostwald Process which was developed in 1902 by the German chemist Wilhelm Ostwald (below, left), who got the Nobel prize for Chemistry in 1909.