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The Ancient Greeks blamed sadness on bodily humours called ‘melaina kole’ (black bile). Today, clinical depression is often understood as an imbalance of brain chemicals – although this is a paradigm that many experts believe is overdue for an update. This animation from TED-Ed offers a brief examination of the history of melancholy, scoping how philosophers, poets, writers and scientists have envisioned and altered our understanding of the experience across the ages.
Building ‘bigger and better’ has pushed cosmology forward. Can it take it any further?
How Hokusai’s Great Wave emerged from Japan’s isolation to become a global icon
The ancient world
Not a lost kingdom but a parable – how to read Athens in Plato’s story of Atlantis
Meaning and the good life
Albert Camus built a philosophy of humanity on a foundation of absurdity
When two punk bands came to a psychiatric hospital, beautiful chaos ensued
Check in to the Hilbert Hotel, and learn why some infinities are bigger than others
Cognition and intelligence
How a ‘periodic table’ of animal intelligence could help to root out human bias
A climate activist living off-grid faces her toughest challenge yet – a new primary school
What it’s like to have aphantasia, the inability to visualise images in the mind’s eye