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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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The FDA recognizes 118 routes of administration.

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Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Dominance relationships among individuals play an important role in many primate societies. Dominance relationships among individuals play an important role in many primate societies.
Play in Four Cultures Across cultures, play is the most common activity in early childhood. Source: Play in Four Cultures Across cultures, play is the most common activity in early childhood. Source:
A football game, in 1879, pits Yale against Princeton. The field was not lined or bounded, and play A football game, in 1879, pits Yale against Princeton. The field was not lined or bounded, and play
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Stress and the Common Cold Stress and the Common Cold
The stress response involves several pathways, which begin with a signaling stimulus The stress response involves several pathways, which begin with a signaling stimulus
Video: The pH scale - Strong acids and Weak acids

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