The horizontal fraction bar was introduced by the Arabs.
Did you know?
The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
building blocks
Martha Rosler, Gladiators, from the series House Beautiful: Bringing the War Home. 2004
Louis H. Sullivan, Bayard-Condict Building (detail), New York.
Plan and Reconstruction Drawing of the house of the Silver Wedding
Voter turnout and presidential and midterm house elections