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Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Did you know?
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Did you know?
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
![Transdermal patch administration: (b) patch immediately applied to clean, dry, hairless skin and lab](https://biology-forums.com/gallery/47/medium_46687_08_12_14_4_57_16_195191629.jpeg)
![This lithograph of the New York draft riots, 1863, shows that although the rioters mainly targeted b](https://biology-forums.com/gallery/47/medium_376021_22_08_15_1_40_22_22354943.jpeg)