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Author Question: Suppose two charges, one positive and one negative, are separated by a distance d. Where can two ... (Read 40 times) |
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
The human body produces and destroys 15 million blood cells every second.