Smelling Happy Sweat Makes You Happy
Chemosignals are chemicals humans emit, often via sweat. In a study, chemosignals emitted by happy people were shown to induce a facial expression and perceptual-processing style consistent with that of happiness in the smellers.
from It's Okay To Be Smart
Key Facts In This Video
Sweat glands come in primarily two forms: eccrine and apocrine. (0:29)
You get pruney fingertips when wet in order to have better grip in slippery conditions. (2:16)
Sun burns are actual burns, but they are caused by radiation instead of fire. (2:34)