Another was a set of special instruments that helped measure the effects of the sun's radiation on the outside of the aircraft.

VOA: special.2010.07.07

Another goal was to measure the fear of being laughed at within different cultures.

VOA: special.2009.11.17

Another way to measure bone-density is called peripheral bone mineral density testing.

VOA: special.2010.08.31

Another prevention measure is hand washing with soap.

VOA: special.2009.11.17