Calculate the number 6669
[5412] Calculate the number 6669 - NUMBERMANIA: Calculate the number 6669 using numbers [1, 5, 8, 5, 80, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 25 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 6669

NUMBERMANIA: Calculate the number 6669 using numbers [1, 5, 8, 5, 80, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 25
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Efficiency Expert

An efficiency expert concluded his lecture with a note of caution. "You need to be careful about trying these techniques at home."

"Why?" asked somebody from the audience.

"I watched my wife's routine at dinner for years," the expert explained. "She made lots of trips between the refrigerator, stove, table and cabinets, often carrying a single item at a time.

One day I told her, 'Honey, why don't you try carrying several things at once?'

"Did it save time?" the guy in the audience asked.

"Actually, yes," replied the expert. "It used to take her 30 minutes to make dinner.

Now I do it in ten..."

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Insulin by genetic engineering

In 1978, U.S. scientists announced the production of human-type insulin by a strain of E. coli bacteria, that had been genetically engineered after months of creative use of gene-splicing techniques. The work was a joint effort by research teams in California at the biochemical firm, Genentech Inc, San Francisco and the City of Hope National Medical Center, Los Angeles. A normal body's production of insulin takes place within cells of the pancreas, programmed by certain genes (segments of DNA). The scientists synthesized copies of these genes and inserted them into a weakened lab strain of the intestinal microbe Escherichia coli. In 1982, insulin was the first recombinant DNA drug to be marketed, Humulin by Eli Lilly & Co.«[Image: graphic suggesting recombinant DNA cell culture.]
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