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Polychlorinated biphenyl
Polychlorinated biphenyls (PCBs) are a class of organic compounds with 1 to 10 chlorine atoms attached to biphenyl. Although the physical and chemical properties vary widely across the class, PCBs ... > more -
Fertility
Pregnancy and Childbirth
Mating and Breeding
Healthy Aging
Attention Deficit Disorder
Sports Medicine
Artificial insemination
Artificial insemination (AI) is when sperm is placed into a female's ovarian follicle (intrafollicular), uterus (intrauterine), cervix (intracervical), or fallopian tubes (intratubal) using ... > more -
Agriculture
Agriculture is the process of producing food, feed, fiber and many other desired products by the cultivation of certain plants and the raising of domesticated animals (livestock). The practice of ... > more -
Microorganism
A microorganism (also spelled as microrganism) or microbe is an organism that is microscopic (too small to be seen by the human eye). The study of microorganisms is called microbiology. ... > more -
Vegetation
Vegetation is a general term for the plant life of a region; it refers to the ground cover provided by plants, and is, by far, the most abundant biotic element of the biosphere. Vegetation serves ... > more
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