And obviously there's been tremendous practical applications associated with this world -- things like the eradication of smallpox, the advent of a vaccine against cervical cancer, which we now know is mostly caused by human papillomavirus.
Og det har indlysende haft en enorm praktisk anvendelighed at kende denne verden. Ting som udryddelsen af kopper, fremkomsten af vaccine mod livmoderhalskræft, som vi nu ved skyldes human papillomavirus.