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US History

20th & 21st Century US History 20th & 21st Century US History : The most famous medical advances of the 20th century The most famous medical advances of the 20th century

by L K. J

The twentieth century saw a remarkable output of lifesaving and enhancing medical advancements and inventions. The following is a summary of the most well known.

PENICILLIN:
Was discovered by bacteriologist Sir Alexander Fleming at London's St. Mary's Hospital in 1928 when he observed colonies of bacterium Staphylococcus aureus being dissolved by blue-green mold. Upon further experimentation he found

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20th & 21st Century US History Is the emotional impact of 9/11 as strong now as it was seven years ago?

vote now: Yes or No - (view results)

Yes

by Sandi Crain

Emotional Changes From 9-11-01 Until 9-11-09

The attack on the World Trade Center sent shock waves throughout

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No

by Paula Love

I believe the correct answer lies not in a yes or no, but in individual perspective. For those who lost

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19th Century US History

20th & 21st Century US History

Colonial & Early American History

US History (Other)

Colonial & Early American History The American Abolitionist Movement: A dangerous cause

by Lynda Phillips

Though a very dangerous and even tragic cause, the American Abolitionist Movement saved African Americans from slavery. Despite the

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Colonial & Early American History Comparing the Virginia and Massachusetts colonies

by Suzette Baker

Although both the Chesapeake and New England colonies originated in England, the histories of these two colonies during their early

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US History (Other) Little known Iowa state facts

by Sara A Broers

An Iowa Hawkeye, who would not want to be a Hawk? Iowa is bordered by two well known rivers, the Missouri and Mississippi Rivers. Both

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20th & 21st Century US History The claims that President Lyndon Johnson "stole" the U.S. presidential election of 1964

by Jake Betz

Lyndon B. Johnson won the 1964 election in a landslide over Republican Sen. Barry M. Goldwater of Arizona. The election, though

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