Numbers and Numerals – A number is a theoretical concept, and a numeral is the way that people denote that concept. A numeral contains one or more written symbols, but a number can be expressed in a range of ways. Number and numeral are often used interchangeably, but there is a slight difference between them. Numbers and Numerals? What is a …

Most fish breathe by extracting oxygen from water, by means of their gills. Gills are delicate filaments of tissue through which blood passes. As water flows over the gills, oxygen diffuses into the blood. However, some fish have an additional method of obtaining oxygen; they use a lung, just as we do. Fish which breathe in this way are, not …

In some countries, business owners can go their way in the happy knowledge that government officials won’t be hitting them up for bribes or tossing them in jail on trumped-up charges. But in other parts of the world, public sector corruption is a fact of life. Hoping to shine a light on this widespread problem, Transparency International, a non-governmental organization …

A bee keeps its sting at the end of its abdomen. At tip of a bee’s abdomen is a shaft where its stinging thorn is to be found. It can sting several times, but once it leaves the thorn in its victim’s flesh it will not be able to sting again. It is not true to say that a bee …

We all know that birds build nests. Some find trees the most convenient. Others prefer hedges, the eaves of roofs, chimney pots, rocky ledges or holes in trees. But what does a bird do that can neither fly nor swim? Living on the dry, open plains of eastern and southern Africa, the ostrich takes no pains to hide its nest. …

William Faulkner — William Cuthbert Falkner was born in New Albany, Mississippi, he was the oldest son of Murry Cuthbert Falkner and Maud Butler. He later changed the spelling of his name to Faulkner. His brothers were Murry Charles “Jack” Falkner, author John Falkner (later Faulkner) and Dean Swift Falkner. Faulkner was raised in and heavily influenced by the state …

Prince Henry was the fifth son of King John I of Portugal and of Queen Philippa, grand-daughter of Edward III of England. In his youth he had proved himself to be a brave warrior, but his one desire in life was to extend the sea-routes of the world and to make his country rich by trade. He set up an …

Trees do not grow on mountain tops either because the situation is too exposed, or because the soil is too thin or too frozen to allow their roots to draw nourishment from the ground. In most mountainous areas there is usually a clearly marked timberline, a boundary above which there is no tree growth. Sometimes the height of the timberline …

Rachael Ray — Rachael Domenica Ray (born August 25, 1968) is an American television personality, businesswoman, celebrity chef and author. She hosts the syndicated talk and lifestyle program Rachael Ray and three Food Network series, 30 Minute Meals, Rachael Ray’s Tasty Travels and $40 a Day. Ray wrote cookbooks based on the 30 Minute Meals concept, and launched a magazine, …

Pernessa Seele — Pernessa C. Seele was born on 15 Oct 1954. She is an immunologist and the CEO and founder of Balm in Gilead, Inc., a religious-based organization that provides support to people with AIDS and their families, as well as working for prevention of HIV and AIDS. In 1989 she initiated the Harlem Week of Prayer, with 50 …