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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Gram-positive and Gram-negative bacteria. Gram-positive and Gram-negative bacteria.
Negative Feedback Insulin Glucagon Negative Feedback Insulin Glucagon
Example of a Medicare Electronic Remittance Advice (ERA). Example of a Medicare Electronic Remittance Advice (ERA).
Constructive Interference Constructive Interference
Negative reciprocal Negative reciprocal
The outcome of a mating between individuals heterozygous at two genes determining their ABO blood ty The outcome of a mating between individuals heterozygous at two genes determining their ABO blood ty
Video: Introduction to Spirometry

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