Κυριακή 15 Ιουλίου 2012

Newsletter for Sunday 15 July

 

Newsletter - July 15 - Today in Science History  


TODAY IN SCIENCE HISTORY
 NEWSLETTER - JULY 15
Before you look at today's web page, see if you can answer some of these questions about the events that happened on July 15. Some of the names are very familiar. Others will likely stump you. Tickle your curiosity with these questions, then check your answers on today's web page.
Quotations for Today
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QUIZ
Births
On 15 Jul 1928, an American microbiologist who recognized the existance of the organisms Archaea as a third domain of life, distinct from the previously recognized two domains of bacteria, and life other than bacteria. On 2 Nov 1977, his identification of methanogens, a form of life dating back some 3.5 billion years, was reported from the University of Illinois. They are found in oxygen-deficient environments, and mostly obtain their energy by reducing CO2 and oxidizing hydrogen. 
Why are they called methanogens?
Deaths
Eugen Bleuler was a Swiss psychiatrist, who introduced a new term (1908) to describe the disorder previously known as dementia praecox. For his studies of this condition, he was one of the most influential psychiatrists of his time. 
What is the name for the disorder that he studied?
Events
On 14 Jul 1869, margarine was patented by Hippolyte Mège Mouriés in Paris for use by French Navy. Emperor Napoleon III had set up a contest to find a suitable substitute for butter, and Mège-Mouriés was the winner. His formula included a fatty component that when mixed, had a pearly luster. The American dairy industry was none too happy when margarine was introduced in the States. For years, they pressed Congress to impose many legislative restrictions on margarine production. 
What is the meaning of the Greek word on which he based the name for his product?
On 15 Jul of a certain year, the first commercial jet transport airplane built in US - the Boeing 707 - was tested, in Renton, Washington state. 
In which decade did this happen?
Answers
When you have your answers ready to all the questions above, you'll find all the information to check them, and more, on the July 15 web page of Today in Science History.

Or, try this link first for just the brief answers.
 


Fast answers for the previous newsletter for July 14: Frederick Lewis Maytag; aniline purple; Augustin Jean Fresnel; Mars; the decade including the year 1914.
 
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