Medical Science

Each human tongue contains an average of roughly 10,000 chemoreceptors. These microscopic hair-like nerve endings, called microvilli, are encapsulated in a protective envelope on a short stalk, called papillae. These buds sense chemicals in food, giving them their flavor. These…
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In technical anatomical terms, what is commonly known as the arm is really the “upper limb”. Of course, everyone is intimately aware of their arms. We use them before we are even aware of what they are. Arms, and the…
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How smell works Humans can distinguish about 10,000 different odors (for comparison, a dog or a rat can distinguish somewhere between 30,000 and 100,000). The details of how we do this were a mystery until the 1990s, and the people…
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Billy is in jail for a crime he didn’t commit. However, Steve, a credible member of the community, puts him at the scene of the crime, where he is accused of causing property damage. Steve identified Billy through a police…
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Brain injury is a common problem in accidents involving trauma to a person’s head, and as the brain controls the whole body, this can cause catastrophic effects on bodily function and condition. Science is still in the dark when it…
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First formulated by Manfred Eigen, the existence of quasispecies is a fascinating offshoot of the evolutionary theory. A typical species reproduces offspring with the same genotype. Although mutations do occur, they do so relatively infrequently, and the children of mutants…
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The question of whether humans “should” be cloning other humans is one fraught with moral and ethical implications. Until a few years ago it was a question that dealt with science in the fictional realm, but today it deals with…
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The first thing that needs to be said is that, at this time, it is NOT currently possible to clone humans!  The various science fiction movies are exactly that; amusing, thought provoking, entertaining AND not yet true! But not beyond…
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In our society, human cloning is a stepping stone to defining the ethical boundaries of science.  The heart of this controversy has little to do with the technology behind cloning, or cloning itself. It is scientific fact that the cloning…
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A chromosome is found in the nucleus of the human cell, the building block of the human body. It contains a linear thread of DNA (deoxyribonucleic acid) and associated proteins. A chromosome carries the genes and plays a major role…
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