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Author Question: An individual derives utility from games, g (y-axis), and toy airplanes, a (x-axis), described by ... (Read 54 times) |
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.