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The longest a person has survived after a heart transplant is 24 years.

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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own
The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own
The relationship between the permissible exposure limit (PEL), the short-term exposure limit (STEL), ... The relationship between the permissible exposure limit (PEL), the short-term exposure limit (STEL), ...
The permissible exposure limit (PEL) and immediately dangerous to life and health (IDLH) ... The permissible exposure limit (PEL) and immediately dangerous to life and health (IDLH) ...
Video: Barriers - eye structures, digestive mucosa, respiratory mucosa & genitourinary mucosa

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