Browse Reference Articles
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Sugar substitute
A sugar substitute, or artificial sweetener, is a food additive which duplicates the effect of sugar or corn syrup in taste, but often with less food energy. In the United States, five artificially ... > more -
Robotic surgery
Robotic surgery is the use of robots in performing surgery. Three major advances aided by surgical robots have been remote surgery, minimally invasive surgery, and unmanned surgery. Major potential ... > more -
Insects (including Butterflies)
Agriculture and Food
Invasive Species
Mating and Breeding
Healthy Aging
Attention Deficit Disorder
Africanized bee
Africanized bees, also known as killer bees, are hybrids of the African honeybee with various European honeybees descended from 26 Tanzanian queen bees accidentally released in 1957 in Southern ... > more -
Sexually transmitted disease
Sexually transmitted diseases (STDs) also known as sexually transmissible diseases, sexually transmitted infections (STIs) or (infrequently) venereal diseases (VD), are diseases or infections that ... > more -
Spanish flu
The Spanish Flu Pandemic, also known as La Grippe Espagnole, or La Pesadilla, was an unusually severe and deadly strain of avian influenza, a viral infectious disease, that killed some 50 million to ... > more -
Blood transfusion
Blood transfusion is the process of transferring blood or blood-based products from one person into the circulatory system of another. Blood transfusions may treat medical conditions, such as massive ... > more -
Scientific method
Scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. It is based on gathering observable, empirical and ... > more -
Perception
Attention Deficit Disorder
Healthy Aging
Sports Medicine
Spirituality
Pregnancy and Childbirth
Synesthesia
Synesthesia (also spelled synæsthesia or synaesthesia, plural synesthesiae) is a neurological condition in which two or more bodily senses are coupled. In a form of synesthesia known as ... > more
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