Fear: Never heard it!!!

It's gonna be the best thing to say once you signed off from earth to heaven but as long as you are in this place, every earthling share this common thing: fear. Fear is actually essential for survival too else it would have a severe impact on the ecosystem. The keeps you to adapt to newer environment and also helps you in development of your existing skills. The fear of failure gets the best from most of us.
Recently scientists have discovered a gene-stathmin, that controls the "fear" emotion. Without such a gene one becomes fearless and act to be a daredevil, which they found out in mice lacking this gene. Those lacking stathmin weren't afraid of the cats as they couldn't recall dangerous situation. Now over to the real thing, its also found that humans too possess such genes. For more this scientific news check out at the following link: http://news.bbc.co.uk/1/hi/health/4449226.stm.
So now you know why King Kong or any of those super heroes are so fearless.
Recommendations: Scientists should check with Bush and Osama for which one of them possess more of this gene?