People interested in participating in a cognitive neuroscience experiment might like to head over to an interactive website set up to get you to play a decision game, describe yourself on a survey, and perform a visual perception task. You need to be at least 21.

And here's an interesting study involving a substance more usually known for its aid in inducing labour in pregnant women and assisting breastfeeding in mothers - oxytocin. It appears that this substance, received nasally, makes people more inclined to be trusting. The substance - a neuropeptide - apparently has already been found to be vital in social attachment and affiliation in other mammals.