Extraversion associated with 2D:4D digit ratio and hand shape.
How to measure the 2D:4D digit ratio?
Digit Ratio: A Pointer to Fertility, Behavior, and Health
Digit ratio https://en.wikipedia.org/wiki/Digit_ratio
About ‘Digit Ratio’ – a.k.a. ‘Finger Length Ratio’ (2D:4D) « Finger length & DIGIT RATIO hand news!
Spiral Patterns in Nature and in History, the spiritual world didn't disappear just because technology arrived
this is an example of rule of thirds because the bottle is the main focus and the sky is only 1/3 of the picture The hot spot would be the bottle because its where the two lines intersect
Finger length measurement: digit ratio (2D:4D), dominance, reproductive success, asymmetry, and sociosexuality in the BBC Internet Study.
New Japanese trend encourages the use of digit ratio theory to assess your potential partner's personality before you actually commit to the relationship. Based on real science, the trend might have something to it!
L'espiral de Fibonacci seria perfecte. Pot ser no aquesta pero alguna xula