Over the past few months the ESA's Rosetta spacecraft has been trailing comet 67P/C-G, gathering data on the space rock's trail via its ROSINA suite of instruments. After months of data collection researchers have announced some of their preliminary findings, noting that 67P/C-G is an odiferous object.  According to the ESA, the main chemicals being jettisoned by the rock are H232S & 34S. While those chemical names might not conjure any smells in your mind, scientists have hinted