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Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Transcription Factor Transcription Factor
Numerical pain level chart with word modifiers. Numerical pain level chart with word modifiers.
Platelet-activating factor Platelet-activating factor
Identification of the numbers in the Word Problem Identification of the numbers in the Word Problem
The graph of y = sqrt(x) is vertically stretched by a factor The graph of y = sqrt(x) is vertically stretched by a factor
Number chart Number chart
Video: New DNA Strand Replication

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