In 𝘏𝘰𝘸 𝘞𝘦 𝘓𝘦𝘢𝘳𝘯, Stanislas Dehaene—one of the world’s leading cognitive neuroscientists and winner of the Nobel-equivalent Brain Prize—identifies the 4 Biological Pillars of Learning. Without all 4 of these pillars in place, learning is fragile and will not last: 🧵