Scientists are finally decoding the orgasm face. Explore how human evolution, primate behavior, and mate selection shape our expressions of climax.

Researchers used an algorithm to allow people to refine what they thought the facial expression of a particular emotion should look like. The results show profound individual differences, suggesting ...

[Note: This practice involves our visual system, which for many people is impaired. If this is the case for you, you could adapt my suggestions to focus on the voices of others.] As our ancestors ...