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Male fruit flies feel pleasure when they ejaculate

Male fruit flies feel pleasure when they ejaculate

19 April 2018

Male insects have been genetically engineered to climax on command, and it seems they get a real buzz out of it – perhaps even a fly orgasm
Biggest ever family tree shows when cousins stopped having sex

Biggest ever family tree shows when cousins stopped having sex

1 March 2018

A family tree of 13 million people has been built using data from an ancestry website, and it reveals when and why people started avoiding marrying close relations

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