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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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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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Asthma cases in Americans are about 75% higher today than they were in 1980.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro
Morphology of Primary Lesions Morphology of Primary Lesions
According to Kohlberg’s theory, only a few individuals, such as Martin Luther King, Jr. (left) and ... According to Kohlberg’s theory, only a few individuals, such as Martin Luther King, Jr. (left) and ...
The primary response causes B cells to produce memory B cells and a few antibodies. The second ... The primary response causes B cells to produce memory B cells and a few antibodies. The second ...
The motor homunculus: the somatotopic map of the human primary motor cortex. Stimulation of sites in ... The motor homunculus: the somatotopic map of the human primary motor cortex. Stimulation of sites in ...
Examples of Primary (Congenital) Forms of Immunodeficiency Examples of Primary (Congenital) Forms of Immunodeficiency
Video: Oral Hygiene & Braces Animation

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