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Author Question: Experts agree that moderate weight loss (5-10 kg) consisting of both fat mass and fat-free mass can ... (Read 28 times) |
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."
ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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.
The horizontal fraction bar was introduced by the Arabs.