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Basic functions of the human eye
by W.H. Garcia
The eye's basic function is to catch and focus light onto the back of the eye, where there are sensory receptors to convert the light energy to neural signals which are relayed to the brain, allowing us to interpret images. The visible spectrum Because of the immense speed of light, the information that the brain captures is almost instantaneous. Humans are able to detect only a small port...read more
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When people speak about this subject, they are immediately reminded of Hitler's "Supreme Race" wh...read more
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Genetic engineering and screening brings with it a vast arena of moral and social implications th...read more
Anatomy
- Why some people are left handed
- Understanding the salty taste of human sweat
- The strongest muscle in the body
- Understanding the reasons for different skin tones
- Function of the coronary arteries
- Why breathing right is important for survival
- Reason that the need for sleep increases in the wintertime
Medical Science (Other)
- Is euthanasia ethical or unethical?
- Why the government should legalize a regulated kidney transplant market
- Pro life or pro choice: Amniotic stem cells may open new door
- When an embryo becomes a human being
- Different disabilities that exist
- The effect of helium on humans
- Can seven ultrasound tests harm my unborn baby's hearing?
Medical Technology
- How a heart monitor can help improve your fitness results
- What is a heart stent
- The history of the heart stent
- How to choose a stethoscope
- How a doctor uses an X-ray
- How an CT scan works
- Robots performing surgical operations
Surgery
The anterior cruciate ligament (ACL) is a major ligament of the knee. It is located in the center of the knee, and runs from th...read more
"The use of this technology is not only essential for the future of curbing the spread of infectious diseases," explains John H...read more
Quick Summary, Oxidative Stress: Your body rides an uneasy balance between oxidising (burning) the cells of the food it needs ...read more
Viruses from the Latin "virus" meaning poison undoubtedly occupies a crucial role in the earth's biosphere. Yet they defy solid...read more
