There are 20 feet of blood vessels in each square inch of human skin.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
An example of color blindness test. A person with red-green color blindness would not be able to dis
How to plot a cosine function containing an amplitude and phase-shift (Question 2 of 2)