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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
Did you know?
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.