How did foot smell become a prime candidate for preventing a possibly lethal infectious disease? Dutch scientist Dr. Bart Knols first discovered that mosquitoes were attracted to smelly ft when he was position naked in a dark room examining his bug bites, said Dr. Fredros Okumu, mind of the research project at Tanzania’s Ifakara Health Institute. Cut to 15 years later – researchers still didn’t know how to put this knowledge to make use of. Until Okumu replicated the stinky smell using eight chemicals and positioned it in a mosquito trap where they could be poisoned.These markers are proteins and sugars our bodies use to recognize the bloodstream cells as belonging inside our own system. Bloodstream cell markers are microscopic. However they could make the difference between bloodstream being approved or rejected after a transfusion. So doctors group bloodstream into types predicated on the different markers. The four main blood vessels groups are: Type A. This bloodstream type includes a marker referred to as ‘A.’ Type B. This bloodstream type includes a marker referred to as ‘B.’ Type AB. The bloodstream cells in this kind possess both A and B markers.