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Author Question: Furman and Masters (1980) found that childrens punitive acts, or negative reinforcers, a. were ... (Read 76 times) |
The horizontal fraction bar was introduced by the Arabs.
The longest a person has survived after a heart transplant is 24 years.
Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).