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Did you know?
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Did you know?
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.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.