The horizontal fraction bar was introduced by the Arabs.
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?
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Mice
Wages and Machines in the Textile Industry, 1910
Relative levels of neuronal loss in HD transgenic mice
The 14 stripes of expression of the segment in a Drosophila embryo