The rise of the evolutionary psychology douchebag.

Were Paleolithic Cave Painters High on Psychedelic Drugs? Scientists Propose Ingenious Theory for Why They Might Have Been. [Via]

Slender Man: 21st Century Campfire Tale. [Via]

A Faithful Hound. [Via]

What Happened to the Mysterious Humans of the Sahara 7,000 Years Ago?

This Castle’s Toilet Still Holds Parasites From Crusaders’ Feces.

Hypnotic Wind-powered Kinetic Sculptures by Anthony Howe.

Tree Man.

How 3D printing will rebuild reality.

World Ocean Day Awesomeness. [Via]

World Ocean Day Awesomeness. [Via]

Light Years Away. A scifi webcomic by Ethan Ede and Adam Rosenlund.

The Ballad of Marisol Brook. [Via]

A Brief History of Mental Illness in Art. [Via]

Monkey Feet May Be More Common in Humans Than Once Thought.

Masturbation Is at the Root of the Culture Wars. "Tell me how you really feel about masturbation, and I can more or less predict how you'll feel about the more frequently debated 'sex war' issues."

Secret Metafilter highlights discussions that are still active on older Metafilter posts. [Via]

Pygmy marmoset eats a macaroni.

Patton Oswalt's Star Wars Filibuster - Animation.

Macoto Murayama’s Intricate Blueprints of Flowers.