If you are unfamiliar with the concept of Human Beauty, Averageness, and Facial Symmetry, you can check out this link
http://www.goldennumber.net/beauty/ (http://www.goldennumber.net/beauty/)
A template for human beauty is found in phi and the pentagon
Dr. Stephen Marquardt has studied human beauty for years in his practice of oral and maxillofacial surgery. Dr. Marquardt performed cross-cultural surveys on beauty and found that all groups had the same perceptions of facial beauty. He also analyzed the human face from ancient times to the modern day. Through his research, he discovered that beauty is not only related to phi, but can be defined for both genders and for all races, cultures and eras with the beauty mask which he developed and patented. This mask uses the pentagon and decagon as its foundation, which embody phi in all their dimensions
([url]http://s0.goldennumber.net/wp-content/uploads/marquardt-2.gif[/url])
In short: Human Beauty is linked to the Golden Ratio (http://en.wikipedia.org/wiki/Golden_ratio)
(http://upload.wikimedia.org/math/7/d/a/7dae50ded3e335e34196ed67dc8dc49e.png)
The most visible constructs using this would be the Pyramids in Egypt and the Parthenon in Athens, Greece.
For Humans it is the different facial characteristics: Facial Height/Width, Eye Size/Ratio, etc
Here is a video explaining the process
Facial Beauty Analysis and the Golden Ratio (Phi, 1.618), featuring Florence Colgate and PhiMatrix (http://www.youtube.com/watch?v=kKWV-uU_SoI#ws)
This website rates an uploaded photo of a face against the 'ideal' beauty ratios
http://www.anaface.com/ (http://www.anaface.com/)
I've gotten addicted to using it, and am not the only one. You can also try it using your your own face, your friends faces. Or even better, internet celebrities!
edit:found a good image(http://img683.imageshack.us/img683/9046/hitlerbetterthangecko.png)
PLEASE remember that the score is not an 'absolute' beauty score. What it represents is attractive qualities of yourself and what you would probably find attractive in others
for example: I have never found Mandy Moore attractive, no matter how argumentative and incensed other people have become
Also note that it is the AVERAGE face that is considered most beautiful. Here is an article explaining the process of composite blending of hundreds of women into the 'ideal' women from different countries
http://www.dailymail.co.uk/news/article-2435688/The-average-woman-revealed-Study-blends-thousands-faces-worlds-women-look-like.html (http://www.dailymail.co.uk/news/article-2435688/The-average-woman-revealed-Study-blends-thousands-faces-worlds-women-look-like.html)
Please be aware that some uninformed websites list "Argentina" as "South Africa" because they Did Not Do The Research (http://tvtropes.org/pmwiki/pmwiki.php/Main/CriticalResearchFailure)
Meet the world's Mrs Averages: Scientists blend thousands of faces together to reveal what the typical woman's face looks like in 41 different countries from around the globe
Pictures of hundreds of women were used to create an average
Images of women from 41 different ethnicities were laid over one another before a computer programme deduced the common look
(http://i.dailymail.co.uk/i/pix/2013/09/27/article-2435688-1853EA0D00000578-157_634x448.jpg)
Here is the first part of the incredibly interesting BBC Documentary "The Human Face" starring John Cleese and Elizabeth Hurley
The Human Face (2001) │ Face Documentary Series │ 1 / 4 │ (http://www.youtube.com/watch?v=Fp8v8Q1eoLE#ws)
And now you know why the best sprinters and runners are more attractive than normal people
p.s Where is the Science Forum?