Replace the question mark with a number
[3058] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 378 - The first user who solved this task is Donya Sayah30
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 378
The first user who solved this task is Donya Sayah30.
#brainteasers #math #riddles
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Lumberyard

Jon's working at the lumberyard, pushing a tree through the buzz saw, and accidentally shears off all ten of his fingers. He goes to the emergency room.
The doctor says, "Yuck! Well, give me the fingers, and I'll see what I can do."
Jon says, "I haven't got the fingers."
The doctor says, "What do you mean, you haven't got the fingers? It's 1999. We've got microsurgery and all kinds of incredible techniques. I could have put them back on and made you like new. Why didn't you bring the fingers?"
Jon says, "Well, sh*t, Doc, I couldn't pick 'em up."    

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First genetically engineered vaccine

In 1981, the first genetically engineered vaccine was announced: the first effective subunit vaccine for any animal or human disease using gene splicing. It was designed to prevent hoof and mouth disease (FMD). The work was done by the U.S. Dept of Agriculture scientists who by 1975 had discovered that injection of VP3 (a protein derived from a portion of the coating of FMD virus) confers immunity to the disease. In 1980, the USDA team turned to recombinant DNA technology, and collaborated with scientists from Genentech, a private company. They inserted a bioengineered plasmid containing the gene for VP3 into Escherichia coli bacteria which grew obeying orders from the guest DNA, mass-producing the VP3 proteins for the vaccine.
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