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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.
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).