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Circadian rhythm
A circadian rhythm is a roughly 24 hour cycle in the physiological processes of living beings, including plants, animals, fungi and cyanobacteria. In a strict sense, circadian rhythms are ... > more -
Growth hormone
Growth hormone is a polypeptide hormone synthesised and secreted by the anterior pituitary gland which stimulates growth and cell reproduction in humans and other vertebrate ... > more -
American Quarter Horse
The American Quarter Horse is a breed of horse originally bred for sprinting short distances, typically races of a quarter mile or less. The Quarter Horse is the most popular breed in the United ... > more -
Biodiversity
Biodiversity or biological diversity is the diversity of life. There are a number of definitions and measures of biodiversity. Biodiversity is commonly identified at three levels. First there is ... > more -
Cloning
Evolutionary Biology
Sports Medicine
Healthy Aging
Attention Deficit Disorder
Biochemistry Research
Heritability
In genetics, heritability is the proportion of phenotypic variation in a population that is due to genetic variation. Variation among individuals may be due to genetic and/or environmental factors. ... > more
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