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  • Important and easy ways of Conserve Water
    Conserving water helps us by supplying more amount of water for longer usage. It has become necessary in all areas because these natural resources are reducing along with the increasing population and their usages. There are several ways to conserve water. Here are some important and easy ways for the conservation of water Keeping the tap closed when not in use. Check for the openings or leaks in water distribution pipes. Make sure to use collected rainwater for gardening or washing purpose. Always have a measure of how many buckets of water is wasted in a day and try to reduce. Do not run more water than necessary while washing and cleaning clothes, utensils, etc. Do not prolong your bathing. Go for a quick shower rather than wasting buckets of water Rainwater harvesting is one of the best method used for conserving water. There are different methods used to preserve rainwater instead of getting it wasted.
    By: rupali
    Wednesday, Nov 10, 2021
    AGRI-FOOD SYSTEMS
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  • EDUCATION
    Population, in human biology
    Population, in human biology, the whole number of inhabitants occupying an area (such as a country or the world) and continually being modified by increases (births and immigrations) and losses (deaths and emigrations). As with any biological population, the size of a human population is limited by the supply of food, the effect of diseases, and other environmental factors. Human populations are further affected by social customs governing reproduction and by the technological developments, especially in medicine and public health, that have reduced mortality and extended the life span
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  • The atomic nature of the elements
    Paralleling the development of the concept of elements was an understanding of the nature of matter. At various times in history, matter has been considered to be either continuous or discontinuous. Continuous matter is postulated to be homogeneous and divisible without limit, each part exhibiting identical properties regardless of size. This was essentially the point of view taken by Aristotle when he associated his elemental qualities with continuous matter. Discontinuous matter, on the other hand, is conceived of as particulate—that is, divisible only up to a point, the point at which certain basic units called atoms are reached. According to this concept, also known as the atomic hypothesis, subdivision of the basic unit (atom) could give rise only to particles with profoundly different properties. 
    By: rupali
    Tuesday, Jul 27, 2021
    AGRI-FOOD SYSTEMS
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  • AGRI-FOOD SYSTEMS
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    Earth: planet in the solar system
    Earth, third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass. Its single most outstanding feature is that its near-surface environments are the only places in the universe known to harbour life. It is designated by the symbol ♁. Earth’s name in English, the international language of astronomy, derives from Old English and Germanic words for ground and earth, and it is the only name for a planet of the solar system that does not come from Greco-Roman mythology.
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  • WATER, ENERGY, AND THE ENVIRONMENT
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    Supercomputer
    The most powerful computers of the day have typically been called supercomputers. They have historically been very expensive and their use limited to high-priority computations for government-sponsored research, such as nuclear simulations and weather modeling.
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  • YOUTH EMPOWERMENT
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    Artificial satellites
    Artificial satellites can be either unmanned (robotic) or manned. The first artificial satellite to be placed in orbit was the unmanned Sputnik 1, launched October 4, 1957, by the Soviet Union. Since then, thousands have been sent into Earth orbit. Various robotic artificial satellites have also been launched into orbit around Venus, Mars, Jupiter, and Saturn, as well as around the Moon and the asteroid Eros. Spacecraft of this type are used for scientific research and for other purposes, such as communication, weather forecasting, navigation and global positioning, Earth resources management, and military intelligence. Examples of manned satellites include space stations, space shuttle orbiters circling Earth, and Apollo spacecraft in orbit around the Moon or Earth.
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  • The solar system’s several billion comets are found mainly in two distinct reservoirs. The more-distant one, called the Oort cloud, is a spherical shell surrounding the solar system at a distance of approximately 50,000 astronomical units (AU)—more than 1,000 times the distance of Pluto’s orbit. The other reservoir, the Kuiper belt, is a thick disk-shaped zone whose main concentration extends 30–50 AU from the Sun, beyond the orbit of Neptune but including a portion of the orbit of Pluto. (One astronomical unit is the average distance from Earth to the Sun—about 150 million km [93 million miles].) Just as asteroids can be regarded as rocky debris left over from the formation of the inner planets, Pluto, its moon Charon, Eris, and the myriad other Kuiper belt objects can be seen as surviving representatives of the icy bodies that accreted to form the cores of Neptune and Uranus.
    By: rupali
    Friday, Jul 23, 2021
    YOUTH EMPOWERMENT
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  • Sun, Moon, and brightest planets
    The Sun, Moon, and brightest planets were visible to the naked eyes of ancient astronomers, and their observations and calculations of the movements of these bodies gave rise to the science of astronomy. Today the amount of information on the motions, properties, and compositions of the planets and smaller bodies has grown to immense proportions, and the range of observational instruments has extended far beyond the solar system to other galaxies and the edge of the known universe. Yet the solar system and its immediate outer boundary still represent the limit of our physical reach, and they remain the core of our theoretical understanding of the cosmos as well. Earth-launched space probes and landers have gathered data on planets, moons, asteroids, and other bodies, and this data has been added to the measurements collected with telescopes and other instruments from below and above Earth’s atmosphere and to the information extracted from meteorites and from Moon rocks returned by astronauts. All this information is scrutinized in attempts to understand in detail the origin and evolution of the solar system—a goal toward which astronomers continue to make great strides.  
    By: rupali
    Friday, Jul 23, 2021
    WATER, ENERGY, AND THE ENVIRONMENT
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  • Solar System
    The Solar System is the gravitationally bound system of the Sun and the objects that orbit it, either directly or indirectly. Of the objects that orbit the Sun directly, the largest are the eight planets, with the remainder being smaller objects, the dwarf planets and small Solar System bodies. Of the objects that orbit the Sun indirectly—the natural satellites—two are larger than the smallest planet, Mercury.   One of Billions. Our solar system is made up of a star, eight planets and countless smaller bodies … Meet Me in the Orion Arm. Our solar system orbits the center of the Milky Way Galaxy at about … A Long Way Round. It takes our solar system about 230 million years to complete one orbit around … Spiraling Through Space. There are three general kinds of galaxies: elliptical, spiral and irregular.
    By: rupali
    Friday, Jul 23, 2021
    CULTURE AND SOCIETY
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  • A coordination compound is composed of one or more complex structural units, each of which has a central atom bound directly to a surrounding set of groups called ligands. The nomenclature of coordination compounds is based on these structural relationships.
    By: Edwin Castel
    Wednesday, Jul 21, 2021
    HEALTH AND NUTRITION
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  • Cladodes (also called cladophylls or phylloclades) are shoot systems in which leaves do not develop; rather, the stems become flattened and assume the photosynthetic functions of the plant. In asparagus (Asparagus officinalis; Asparagaceae), the scales found on the asparagus spears are the true leaves. If the thick, fleshy asparagus spears continue to grow, flat, green, leaflike structures called cladodes develop in the axils of the scale leaves. The presence of cladodes in unrelated desert angiosperm families is an excellent example of convergent evolution, or the independent development of the same characteristic in unrelated taxa.
    By: rupali
    Wednesday, Jul 21, 2021
    YOUTH EMPOWERMENT
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  • HEALTH AND NUTRITION
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    Nucleotide
    Nucleotide, any member of a class of organic compounds in which the molecular structure comprises a nitrogen-containing unit (base) linked to a sugar and a phosphate group. The nucleotides are of great importance to living organisms, as they are the building blocks of nucleic acids, the substances that control all hereditary characteristics.
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