The horizontal fraction bar was introduced by the Arabs.
Did you know?
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.
Did you know?
The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
East Siberian Laika
(a) Masai from East Africa have body types adapted to warm climates.
Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f
East–West Differences in Interpreting Emotion
Catherine Opie, Untitled #13 (Spring), from Somewhere in the Middle.