When ET Attack!

Okay, the title is a little flamboyant but it seems that there has been a greater concern over the possibility of alien encounter. Perhaps this is simply indicative of current trends in popular culture (or the reverse) but regardless, the fear stems from the information that we send out:

To bolster humanity’s chances of survival, the researchers call for caution in sending signals intospace, and in particular warn against broadcasting information about our biological make-up, which could be us...