What determines receptivity or rejection towards potential sexual partners? For people, there are many factors that play a part, appearance, culture, age, are all taken into account. But what part does the internal state ...
Feb 12, 2015
119
42
By comparing the testosterone levels of five-month old pairs of twins, both identical and non-identical, University of Montreal researchers were able to establish that testosterone levels in infancy are not inherited genetically ...
May 10, 2012
0
0
The ratio between the second and fourth digits is linked to stretched penile length according to a study published online this week in Asian Journal of Andrology. This finding suggests that digit ratio can predict adult penile ...
Jul 5, 2011
5
0
