Wednesday, February 25, 2009

Essentials of Healthy life – Cleanliness a brief review

Health is wealth so preserve it. Life is short so use it in the right way. Cleanliness merely fits with the apt meaning of being free from dirt, dust, germs and bad smells. A recent shift has now taken place to recognise that ‘germs’ may play a major role in our immune systems. So experts say washing hands frequently, specially when in an environment of many people with infections and diseases. Washing is one of the best way to achieve cleanliness.Have a brief overlook on the following issue to be aware of how to keep one self clean.

A step way process regarding cleanliness of hands is given below:
• Use warm water
• But avoid scorching your hands.
• Use anti-bacterial soap or hand wash.
• Wash between fingers and use paper towels to wipe off.
Washing of hands has to be followed:
• Before eating
• After eating
• After using the toilet
• After playing outdoor games
• After attending to a sick person
• After blowing nose, coughing, or sneezing; and after handling pets.

The proverb "Cleanliness is next to Godliness," a common phrase that describes humanity's high opinion of being clean. Purposes of cleanliness include health, beauty and to avoid the spreading of germs .If your hands have any kind of skin cut or infection, wash hands with an anti bacterial soap. Thoroughly wash with hot, soapy water all surfaces that come in contact with raw meat, poultry, fish, and eggs before moving on to the next step in food preparation. Consider using paper towels to clean kitchen surfaces.

Keep pets, household cleaners, and other chemicals away from food and surfaces used for food. Along with removing any old food or dirty water, it’s a very good practice to clean the bowls or containers that the food and water are in, ever Hygienic practices—such as frequent hand washing or the use of boiled (and thus sterilized) water have a profound impact on reducing the spread of disease. This is because they kill or remove disease-causing microbes (germs) in the immediate surroundings. For instance, washing one's hands after using the toilet and before handling food reduces the chance of spreading E. coli bacteria and Hepatitis A, both of which are spread from fecal contamination of food.

Thursday, January 22, 2009

Tropical Cyclones

A tropical cyclone is a hurricane structure fueled by the heat unconfined when moist air rises and the water vapor in it condenses. The term describes the storm's foundation in the tropics and its cyclonic nature, which means that its association is counterclockwise in the northern hemisphere and clockwise in the southern hemisphere. Tropical cyclones are eminent from other cyclonic windstorms such as nor'easters, European windstorms, and polar lows by the heat device that fuels them, which makes them warm core storm systems.

Depending on their place and strength, there are different provisions by which tropical cyclones are identified, such as hurricane, typhoon, tropical storm, cyclonic storm and tropical dejection.

Tropical cyclones can produce enormously strong winds, tornadoes, torrential rain, high waves, and storm surges. The deep rains and storm surges can construct general flooding. Although their possessions on human populations can be disturbing, tropical cyclones also can have valuable effects by relieving deficiency circumstances. They carry heat gone from the tropics, an essential mechanism of the global special atmospheric movement that maintains balance in the earth's troposphere.

Thursday, December 11, 2008

Microbes

The first form of life to develop on the Earth was microbes, and they remained the only form of life on the planet until about a billion years ago when multi-cellular organisms began to appear. Microorganisms are single-celled organisms that are generally smaller than the human eye can see. They include Bacteria, Fungi, Archaea and Protista.

These life forms are found in almost every location on the Earth where there is liquid water, including the interior of rocks within the planet. Their reproduction is both rapid and profuse. The combination of a high mutation rate and horizontal gene transfer ability makes them highly adaptable, and able to survive in new environments, including outer space. They form an essential part of the planetary ecosystem. However some microorganisms are pathogenic and can post health risk to other organisms.

Monday, October 13, 2008

Nature

The word nature is consequent from the Latin word natura, or the course of things, natural character. Natural was a Latin translation of the Greek word physis, which originally related to the intrinsic characteristics that plants, animals, and other features of the world develop of their own accord. This is shown in the first written use of the word, in connection with a plant. The concept of nature as a whole, the physical universe, is one of several expansions of the original notion; it began with certain core applications of the word by pre-Socratic philosophers, and has steadily gained currency ever since. This usage was confirmed during the advent of modern scientific method in the last several centuries.

Within the various uses of the word today, "nature" may refer to the general realm of various types of living plants and animals, and in some cases to the processes associated with inanimate objects - the way that particular types of things exist and change of their own accord, such as the weather and geology of the Earth, and the matter and energy of which all these things are composed. It is often taken to mean the "natural environment" or wilderness - wild animals, rocks, forest, beaches, and in general those things that have not been substantially altered by human intervention, or which persist despite human intervention. This more traditional concept of natural things which can still be found today implies a distinction between the natural and the artificial, with the latter being understood as that which has been brought into being by a human or human-like consciousness or mind.

Thursday, September 11, 2008

Gear

A gear is a wheel with teeth around its circumference, the purpose of the teeth being to mesh with similar teeth on another mechanical device possibly another gear wheel so that force can be transmitted between the two strategies in a direction tangential to their surfaces. A non-toothed wheel can transmit some tangential force but will slip if the force is large; teeth put off slippage and permit the transmission of large forces.

A gear can mesh with any device having teeth friendly with the gear's teeth. Such devices include racks and other non-rotating policy; however, the most common condition is for a gear to be in mesh with another gear. In this case revolution of one of the gears necessarily causes the other gear to rotate. In this way, rotational motion can be transferred from one position to another. While gears are sometimes used simply for this reason to transmit rotation to another shaft perhaps their most significant feature is that, if the gears are of asymmetrical sizes, a mechanical advantage is also achieved, so that the rotational speed, and torque, of the second gear are dissimilar from that of the first. In this way, gears provide a means of increasing or decreasing a turning speed, or a torque.

Wednesday, July 09, 2008

University

A university is an institution of higher education and research, which grants intellectual degrees at all, levels in a selection of subjects. A university provides together tertiary and quaternary education. The word university is resultant from the Latin universities magistrorum ET scholarium, roughly importance community of teachers and scholars. The funding and organization of universities is very different in different countries around the world. In some countries universities are primarily funded by the state, while in others funding may come from donors or from fees which students’ presence the university must pay. In some countries the vast majority of students attends university in their local town, while in other countries universities attract students from all over the world, and may provide university space for their students.

The Carnegie Basic Classification system distinguishes between institutions on the basis of the prevalence of degrees they grant. As the names of their categories designate names indicate, the Carnegie Foundation considers the granting of master's degrees necessary, though not sufficient, for an institution to be classified as a university.

Thursday, May 15, 2008

Earth

Earth is the fifth largest planet in the solar system, third in order of distance from the Sun. It is the largest of its planetary system's terrestrial planets and the only place in the universe known to support life.

The most prominent features of the earth's climate are its two large polar regions, two relatively narrow temperate zones, and a wide equatorial tropical to subtropical region. Precipitation patterns vary widely according to location, ranging from several meters of water per year to less than a millimeter. About 70 percent of the surface is covered by salt-water oceans. The remainder consists of continents and islands, with the vast majority of the inhabited land in the Northern Hemisphere.

Earth has evolved through geological and biological processes that have left traces of the original conditions. The outer surface is divided into several tectonic plates that gradually migrate across the surface over geologic time spans, which at least several times have changed relatively quickly. The interior of the planet remains active, with a thick layer of molten Earth mantle and an iron-filled core that generates a magnetic field