Yet another sensationalist headline.<p>Actual content - The gene MAOA-L has to do with neurotransmitters and there is a correlation between presence of the gene and the risk-aversion of 83 men in the study.
This reminds me: did we ever get to see results from that "Are Entrepreneurs pirates?" test that ran on HN a while back?<p><a href="http://news.ycombinator.com/item?id=1898317" rel="nofollow">http://news.ycombinator.com/item?id=1898317</a>