This guy is walking with his friend, who happens to be a psychologist. He says to this friend, "I'm a walking economy." The friend asks, "How so?" "My hair line is in recession, my stomach is a victim of inflation, and both of these together are putting me into a deep depression!"
In 1998, biologists reported in the journal Science how they sequenced the genome of the bacterium that causes syphilis, Treponema pallidum.
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