Wasted all that money to state the obvious : The study, published Wednesday in Science Advances, was based on data from more than 450,000 people of European descent who signed up for the UK Biobank.

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Scientists discover genetic underpinnings of bisexuality

For the first time, scientists have identified genetic variations associated with human bisexual behavior -- and found these markers are linked to risk-taking and having more offspring when they are carried by heterosexual men.On the other hand, excl