to tell if people were lying, and f

to tell if people were lying, and found that whenever participants in their research were beinguntruthful, the temperature of the tip of their nose dropped up to 1.2"C, while the temperature oftheir forehead increased up to 1.5"C. Scientist also found that drop in temperature at nose levelactually caused it to slightly shrink, although the difference is undetected by the human eye.