Men can subconsciously improve their sperm when competing

Boing Boing: Men can subconsciously improve their sperm when competing

The volunteers had previously abstained from sexual activity for two to six days. In samples from men who viewed the images containing the two men and a woman - the “sperm-competition” images - 52% of the sperm were motile. This compared with 49% sperm motility in the men who viewed the images of women only – a difference that was statistically significant after taking into account lifestyle factors such as cigarette smoking and alcohol consumption...

Aha! Well we all know who this is going out to. I think someone is watching to much lesbo porn and not enough guy-guy-girl action!