Happy or sad, the colour of your face reveals how you feel, Science

People able to identify others’ feelings from changes in facial blood flow alone up to 75% of the time, study says

Can Apple's Mood Tracking in iOS 17 Make You Happier? - WSJ

When a smile is not a smile – what our facial expressions really mean

Blue Mind: The Surprising Science That Shows How Being Near, In, On, or Under Water Can Make You Happier, Healthier, More Connected, and

Blue Mind: The Surprising Science That Shows How Being Near, In, On, or Under Water Can Make You Happier, Healthier, More Connected, and Better at

What if emotions aren't universal but specific to each culture?

Flat Affect: When You Don't Show What You Feel

At first blush, you look happy—or sad, or angry

How Emotions Are Made: The Secret Life of the Brain - Kindle edition by Barrett, Lisa Feldman. Health, Fitness & Dieting Kindle eBooks @ .

Social media networks need new emoticon colors to stop messages being misread, study warns

We Can Read Each Other's Emotions From Subtle Changes in Facial Color - Neuroscience News

New Research Reveals That Lonely People Process the World Differently

Face masks affect perception of happy faces in deaf people

How We Read Emotions from Faces · Frontiers for Young Minds

Mind-bending optical illusion of 'happy and sad' faces can tell a LOT about your personality - what do you see?

Are Tears Good for Your Skin? Here's What Experts Say