Does anyone pay attention to the wail of car alarms anymore? Most of us disregard them. They usually are set off by accident. They go off so often in urban areas, no one even notices anymore. So why do we…
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If you did not have a respiratory system, you would not be able to live without being hooked up to machines to do it for you. The respiratory system contains airways and lungs that are linked to blood vessels, and…
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Having been a Medical technologist for about eighteen years, I have some knowledge and experience concerning Serology and Immunohematology. Serology is a biological science which studies antibody-antigen reactions in serum (read the difference between plasma and serum). Serum could be…
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Achieving heavier than air flight was a triumph in engineering and aerodynamics. But it was only a baby step down the path toward a successful helicopter. Thirty-six years would pass before Igor Sikorski made the first tethered flight in his…
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What is a TEE? (Transesophageal Echo) A tranespohageal echo cardiogram is a procedure that utilizes ultrasound waves to examine the heart. This is a invasive procedure where a probe is inserted into the esophagus. Your esophagus is the tube that…
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Blizzards have many characteristics that separate them from snow storms. Most notably, blizzards have a wind of at least 35 mph or higher. They also have snow falling and or blowing reducing visibility to less than one quarter mile and…
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In the US, infants have their hearing tested at birth in most states, and usually pediatricians inquire about and check a child’s hearing at regularly scheduled ‘well visits.’ Most children also undergo hearing screenings as part of a national program…
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While rotary wing craft can be used to describe any vehicle that uses a means of upward lift to get airborne and fly, it generally refers to machines that generate lift around a central mast containing two or more rotor…
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“Pandemic” is a specific term used by public health agencies to identify currently spreading and easily transmissible infectious diseases. Many in the general public use the term in a broader sense to indicate something that is general or universal, such…
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There are at least nine different diseases that are classified as systemic mycoses. While many of these are airborne infections, some are not. Mainly caused by fungi, systemic mycoses are often serious or fatal. The diseases cryptococcosis and moniliasis are…
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