In the human body, each cell contains 23 pairs of chromosomes, one of each pair inherited through the egg from the mother and the other from the sperm of the father. Of these chromosomes, those that determine sex are X and Y. Females have XX and males have XY. In addition to information concerning sex, the X chromosomes carry determinants fo...
Mars is the fourth planet from the sun at about 228 million-km (141 million miles) and the last terrestrial planet from the sun. The next five planets in order from the sun are gaseous. Mars follows closely behind Earth but is comparatively smaller, with about half the diameter of Earth and about one-tenth of Earth?s mass. Thus the force of...
U OF T PROFESSORS DEVISE BETTER WAY TO TEST SIGHT IN BABIES In a darkened room at Toronto?s Hospital for Sick Children, a baby, its head dotted with electrodes, sits in its mother?s lap and watches flashing black and white checkerboards and stripes on a television screen. Soon after the test, doctors...
The Critical Role of Information Systems Today's information systems are both technical and social in nature. Management must understand the importance of information within the organization. It is management's job to understand how information is collected, processed, and distributed. We are all extremely affected by information systems...
In our society it's a given that suntans look attractive, and it's also understoud that they can be harmful, and downright unhealthy. So what does this mean? This means that there is a multi-million dollar a year industry that researches and manufactures UV absorbing and blocking lotions that are designed to prevent skin damage from tanning and...