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Sancho Panza

Large Testicles Mean Greater Infidelity, Research Finds

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http://www.telegraph.co.uk/science/10603957/Large-testicles-mean-greater-infidelity-research-finds.html

'There is a correlation between infidelity and the size of a male's testicles, researchers have found. A study by scientists at the University of Oslo found that primates with bigger testicles were more likely to be unfaithful.

Petter Bøckman, Assistant Professor, said: “We can determine the degree of fidelity in the female by looking at the size of the male’s testicles. The less faithful the female, the larger the male’s testicles.

"If the male will only fertilise one female and has no competitors, he only needs sufficient sperm to reach the egg. If the female mates on the side, it is smart to have as many cars as possible in the race.

"Then, the male must have testicles that are as large as possible."

Prof Bøckman said bonobos have particularly large testicles and mate in large groups whereas gorillas have small testicles.

He said: "There is an abundant flow of semen. Those who leave the greatest amount of sperm have the largest chance of fathering offspring.

"In gorilla troops there is only one male. Even though the gorilla has a small harem, he has no need for large testicles – his balls are tiny.”

Large testicles can increase the risk of testicular cancer, the study found.

“Animals with short lifespans may have enormously large testicles. In one type of grasshopper the testicles occupy half their body mass,” said Prof Bøckman

"The testicles are even larger in sea urchins. They spawn directly into the ocean. To increase the chance of fertilising an egg, the sea urchin is a huge testicle with a little shell around it."

The testicles of humans are one and a half times larger than those of gorillas.

Prof Bøckman said: “This testifies with abundant clarity to life in our flock. We can pledge our fidelity until we are blue in the face, but this is evidence that our females are cheating.

"We are not like chimpanzees, where the female has four or five sexual partners every time she is in heat, but there is always a certain likelihood that the neighbouring male has dropped by.”

The testicles are also large in animals that have sex with many females.

Prof Bøckman said: “Male lions have huge balls. All the females in the pride must have sex at the same time. When the female lions in the pride are in heat, he must mate with all the females every half-hour for three days.”'

Well, I never....

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They also suggested that a man with 4 dicks is also likely to have unfaithful partners.

That was also a load of 80llocks

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The larger your testicles the more likely your wife is having an affair?

Seems a bit contorted.

It's an evolutionary argument. If the females in the species are copulating with multiple males then males who produce more sperm will be selected for as this increases the chances that one of their sperm will be the one that fertilises the egg in a female containing several fellows' worth of baby gravy at the same time. The more raffle tickets you buy, the better your chances of winning.

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It's an evolutionary argument. If the females in the species are copulating with multiple males then males who produce more sperm will be selected for as this increases the chances that one of their sperm will be the one that fertilises the egg in a female containing several fellows' worth of baby gravy at the same time. The more raffle tickets you buy, the better your chances of winning.

Surely the sperm has to be of good quality, too? (So the swimmers can win the race to fertilise). Does that not diminish the importance of quantity?

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Surely the sperm has to be of good quality, too? (So the swimmers can win the race to fertilise). Does that not diminish the importance of quantity?

Maybe there would be selection for both high quality and quantity of sperm in species where females mating with multiples males is the norm. For their next paper these researchers could do little races between gorilla sperm and bonobo sperm under the microscope.

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Maybe there would be selection for both high quality and quantity of sperm in species where females mating with multiples males is the norm. For their next paper these researchers could do little races between gorilla sperm and bonobo sperm under the microscope.

That could become popular for those that like a flutter. The possibilities are endless.

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The larger your testicles the more likely your wife is having an affair?

Seems a bit contorted.

This is the Harman Theory of female sexual behaviour - it is all the man's fault.

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Well, yes and no...went away and understand what they're going on about.

Basically they're looking across species. The more 'directed' the relationship between the sexes, the smaller the testicles required and less sperm.

Gorillas have very tightly controlled groups. Sea urchins are basically just spraying it out into the sea and hoping.

Sea Urchins must be furious.

I don't think this is much to with a studying intra species (although there must be some dynamic somewhere - or new species wouldn't develop from them).

I feel misled by this topic. Far too scientific for my liking.

Do you think they're really angry then? I mean, really f***ing mental about it? Sea urchins continue to exist, so obviously they're doing something right.

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