Normally, levels of AST in the blood are low. Very high levels of AST (more than 10 times normal) are usually due to acute hepatitis, sometimes due to a viral infection. With acute hepatitis, AST levels usually stay high for about 1-2 months but can take as long as 3-6 months to return to normal.
A Baltimore mechanic named Charles Moncky invented the monkey wrench around 1858. The tool was originally named by using a âpurposeful misspellingâ of its inventorâs name, according to the Ferris State University Jim Crow Museum.
Hewlett-Packard, now famous world-wide, started out of William Hewlett's garage in Palo Alto with a capital investment of $538 and a Sears-Roebuck drill press. William Hewlett was granted United States patent 2,268,872 for his oscillator on January 6, 1942.