Less dicks more chicks

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New research sheds light on why some birds have lost their penises over the course of evolution. Land fowl, such as chickens, have normally developing penises as early embryos, but only have rudimentary organs as adults. A study in Current Biology shows that these birds initiate a genetic "programme" during development that stops the budding penises from growing. Co-author Dr Martin Cohn, from the University of Florida in Gainesville, said: "Our discovery shows that reduction of the penis during bird evolution occurred by activation of a normal mechanism of programmed cell death in a new location, the tip of the emerging penis.
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Here's The Final Word On How Big Women Want Your Penis To Be

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20 women tell us what makes a good penis | Metro News

Ah, men. We're a simple creature sometimes. And we're never simpler than when we're thinking about size. Generally, one very particular size.
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Women want their ideal partner to have an average penis, not a big one – why?

Is a big penis more attractive than a mid-size model? What about a small penis? Research shows that some some, regardless of size , considered better-looking than others. Slight bend?
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Bigger is better—at least when it comes to a woman's penis preferences, a new study says. The findings suggest that female choice may have driven the evolution of larger penises in humans. Past psychology studies that have asked women about their preferences for penis size have produced mixed opinions, with some saying they don't care about the size, while others say they prefer larger penises.
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