What has rivers but no water, ...
[1639] What has rivers but no water, ... - What has rivers but no water, forests but no trees, and cities but no people? - #brainteasers #riddles - Correct Answers: 139 - The first user who solved this task is Sanja Šabović
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What has rivers but no water, ...

What has rivers but no water, forests but no trees, and cities but no people?
Correct answers: 139
The first user who solved this task is Sanja Šabović.
#brainteasers #riddles
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Cow and grass

Teacher: "I asked you to draw a cow and grass, but I only see a cow. Where is grass?"
Student: "The cow ate the grass, sir."
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Georg Wittig

Died 26 Aug 1987 at age 90 (born 16 Jun 1897).German chemist whose studies of organic phosphorus compounds won him a share (with Herbert C. Brown) of the Nobel Prize for Chemistry in 1979. In 1953, he discovered how a family of organic compounds called ylides could form the basis of the Wittig reaction, which easily and predictably joins two carbon atoms from different molecules to form a double bond. The Wittig reaction's reliability enabled other chemists to pursue and publish findings on thousands of applications for linking large carbon molecules. The process was used for synthesizing complex compounds such as vitamin A, vitamin D derivatives, steroids, and biological pesticides. Because of the Wittig reaction, such compounds can now routinely be synthesized.
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