Клик на название графика включает/выключает его. "-Дельта" - графики скорости изменения, единиц в минуту.
I actually knew precious little about this, other than KrautnTea was taking on the race realists.... seemed like a sensible thing to do. Lets be real the whole reason this subject is so touchy in the first place is because folks took some real science, and WAY overinterpreted it and ended up with eugenics.