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Barker is the author of Barking Up The Wrong Tree

1) Ladies: have a guy take the photo.

Via In Your Face: The New Science of Human Attraction:

 

2) Guys: talk with a friendly girl before the picture is taken.

Via In Your Face: The New Science of Human Attraction:

 

3) Have a picture taken of you while telling a fun story and you’ll display more natural emotion.

Via In Your Face: The New Science of Human Attraction:

 

4) Women rated men more positively in photos where girls were smiling at them.

(Other men rated these guys as less attractive — that’s jealousy for you.)

Via In Your Face: The New Science of Human Attraction:

For more on how to look sexier according to science, click here.

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