A concept known as "wave-particle duality" famously applies to light. But it also applies to all matter — including you.

A real-life nightmare.

Think via Bayes’ rule to become more rational and less brainwashed.

"Carpe diem" was only one part of Horace's poem Odes 1.11.

"Kids are always asking two questions of parents: 'Am I safe?' and 'Am I real?'"

Eyes with lower pigment (blue or grey eyes) don’t need to absorb as much light as brown or dark eyes before this information reaches the retinal cells. This might provide light-eyed people with some resilience to SAD.

Can psychedelics solve the ‘hard problem’ of consciousness? A Johns Hopkins professor explains.