1.   The researchers measured how much food the students ate by weighing how much was left in the room after the students departed.

2.   A computer program allowed the researchers to measure how much of each emotion was contained in each facial expression.

3.   By bouncing radar signals off of shifting particles in the air, researchers can measure differences in frequencies to determine in which directions winds are moving and how quickly.

4.   Earlier this month, the firm bought a lab test, called DakDak, that allows researchers to measure how effectively sunscreens prevent skin damage.

5.   In another study, researchers measured stress in people who were shown a videotape of gory accidents.

6.   Researchers then measured their carbohydrate metabolism and hormone functions, and found that both had been harmed.

7.   Researchers measured the stress hormones in their blood.

8.   Researchers measured concentrations of radon gas in homes for a year.

9.   Researchers measured the oxygen required to do the exercise, heart rate and blood lactate levels to determine the efficiency of the machines.

10.   That allowed researchers to measure the most infinitesimal changes.