Religion, traditions and skin

• Alexander the Great wore makeup. Eye makeup protected the skin around the eyes and repelled flies. It also sheltered the eyes from the sun's glare.
• Ancient Britons were known as 'Picts' - the painted ones. They had blue woad painted over their faces.

Since social media triggers the release of dopamine, scientist studied this, and they found that the reward systems in people's brains are much more active when they're talking about their own views.

Around 80% of internet usage is about people posting about their own views, not listening, ...

• Tribes reduce the ability to challenge ideas or diversify your views because no one wants to lose support of the tribe.

• Tribes are as self-interested as people, encouraging ideas and narratives that promote their survival. But they’re exponentially more influential than any ...