Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
Resource partitioning among five species of warblers feeding in North American spruce trees.
Homans Sign Maternal Nursing
A parade for Grover Cleveland in Chicago in 1892, by John Klir. Music, mirth, real drama—a president