Calculate the number 1991
[7965] Calculate the number 1991 - NUMBERMANIA: Calculate the number 1991 using numbers [4, 6, 6, 6, 74, 713] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 0
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Calculate the number 1991

NUMBERMANIA: Calculate the number 1991 using numbers [4, 6, 6, 6, 74, 713] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
#brainteasers #math #numbermania
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Christmas cracker jokes - yet another collection

What do you get if you cross a bell with a skunk?

Jingle Smells!

What's green, covered in tinsel and goes ribbet ribbet?

Mistle-toad!

Which famous playwright was terrified of Christmas?
Noël Coward!

What is the best Christmas present in the world?
A broken drum – you just can’t beat it!

How do you know if Santa is really a werewolf?

How do you know if Santa is really a werewolf?


What did the stamp say to the Christmas card?

Stick with me and we'll go places!


Why did no one bid for Rudolph and Blitzen on eBay?
Because they were two deer!

What does the Queen call her Christmas Broadcast?
The One Show!

What did Father Christmas do when he went speed dating?
He pulled a cracker!

Why don't you ever see Father Christmas in hospital?
Because he has private elf care!

Why is it getting harder to buy Advent calendars?
Because their days are numbered!

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Alfred Henry Sturtevant

Born 21 Nov 1891; died 5 Apr 1970 at age 78. American geneticist who developed (1913) a technique for mapping the location of specific genes of the chromosomes in the fruit fly Drosophila. Sturtevant's method for “chromosome mapping”, relies on the analysis of groups of linked genes. His paper, published in 1913, described the location of six sex-linked genes as deduced by the way in which they associate with each other: it is one of the classic papers in genetics. Sturtevant later discovered the so-called 'position effect', in which the expression of a gene depends on its position in relation to other genes. He also demonstrated that crossing over between chromosomes is prevented in regions where a part of the chromosome material is inserted the wrong way round.
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