The horizontal fraction bar was introduced by the Arabs.
Did you know?
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Medication errors are three times higher among children and infants than with adults.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
A blue whale set against the backdrop of the Azores
Why is the sky blue?
Development of the light microscope
An example of light palpation of the abdomen. (B) the physician uses two hands for deep bimanual ...
