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If you've ever had a gut feeling about a relationship, there may be more science behind it than you realise.
A recent study in fruit flies has shown that the bacteria in their guts may impact who they choose to mate with, as well as the number and health of their children.
Macquarie - University - Dr - Juliano - Morimoto
Macquarie University's Dr. Juliano Morimoto manipulated the bacteria in the guts of fruit flies (Drosophila melanogaster) so that they had either Acetobacter pomorum (AP), a bacterium common in vinegar; or Lactobacillus plantarum (LP), a bacterium common in dairy products.
Then he mated all the possible pairings of the AP and LP male and female flies.
Number - Mass - Children - AP - LP
"By measuring the number and body mass of children from AP and LP couples, I found that male flies with LP bacteria had sex for longer," says Juliano, "and they produced...
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