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        It means the diffusion of fluids through a membrane. Oxygen is diffused into your blood through the alveoli walls by osmosis. The difference between diffusion generally and osmo...
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        Solar (or photovoltaic) cells convert the sun’s energy into electricity. Whether they’re adorning your calculator or orbiting our planet on satellites, they rely on the the phot...
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        Light Speed is also known as Speed of Light, It is speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its value ...
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        Scientific research indicates sea levels worldwide have been rising at a rate of 0.14 inches (3.5 millimeters) per year since the early 1990s. The trend, linked to global warmin...
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        While most climate change generally happens slowly over time, there is evidence that episodes of rapid cooling have occurred in the past, with temperatures falling dramatically ...
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        IT has been a long discussion o gravity but at first Albert Einstein general theory of relativity (published in 1916) predicts black holes. Then a few months after Karl Schwarz...
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        Neurons are cells ,they are cell that is the basic building block of the nervous system. These individual units are cells as understood from other tissues in the body. Neuron is...
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        Cell division is the process by which a parent cell divides into two or more daughter cells. Cell division is usually a small segment of a larger cell cycle. Cells are classifi...
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        Global warming is the increase in temperature caused by the suns radiation becoming trapped in the Earth's atmosphere. As the sun's radiation hits the Earth's surface, it heats ...
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        In humans the audible range of frequencies is usually 20 to 20,000 Hz, although there is considerable variation between individuals, especially at high frequencies, where a grad...
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        Pineal Gland is the smallest bary in human body. The pineal gland (also called the pineal body, epiphysis cerebri, epiphysis or the “third eye”) is the smallest endocrine gland ...
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        Estimates related to the life span of an elephant, in particular, and of wild animals in general, are unreliable and vary significantly because they are based on small samples a...
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        The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields. Distance to Earth: 149,600,0...
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        There are many reasons why we should not use plastic bags, but one of the most important reason is they are not biodegradable, so once created they pretty much hang around in t...
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        Paper is made of cellulose which is a natural polymer.cellulose is a long chain of linked sugar molecules that gives wood its remarkable strength. It is the main component of p...
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        The Bhabha Atomic Research Centre (BARC) is India's premier nuclear research facility based in Trombay, Mumbai. BARC is a multi-disciplinary research centre with extensive infra...
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        The greenhouse gases in the lower levels of the atmosphere, like glass are transparent to the near infra-red rays of shorter wavelength but are opaque to the heat radiated by th...
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