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Why and How Do We Dream?
Dreams are subjective, but there are ways to peer into the minds of people while they are dreaming. Steven Strogatz speaks with sleep researcher Antonio Zadra about how new experimental methods have changed our understanding of dreams.
Pondering the Bits That Build Space-Time and Brains
Vijay Balasubramanian investigates whether the fabric of the universe might be built from information, and what it means that physicists can even ask such a question.
Anil Seth Finds Consciousness in Life’s Push Against Entropy
How does consciousness arise in mere flesh and blood? To the neuroscientist Anil Seth, our organic bodies are the key to the experience.
Curious About Consciousness? Ask the Self-Aware Machines
Consciousness is a famously hard problem, so Hod Lipson is starting from the basics: with self-aware robots that can help us understand how we think.
Neuroscience Readies for a Showdown Over Consciousness Ideas
To make headway on the mystery of consciousness, some researchers are trying a rigorous new way to test competing theories.
A ‘Self-Aware’ Fish Raises Doubts About a Cognitive Test
A report that a fish can pass the “mirror test” for self-awareness reignites debates about how to define and measure that elusive quality.
Overtaxed Working Memory Knocks the Brain Out of Sync
Researchers find that when working memory gets overburdened, dialogue between three brain regions breaks down. The discovery provides new support for a larger concept about how the brain works.
A Theory of Reality as More Than the Sum of Its Parts
New math shows how, contrary to conventional scientific wisdom, conscious beings and other macroscopic entities might have greater influence over the future than do the sum of their microscopic components.
A New Spin on the Quantum Brain
A new theory explains how fragile quantum states may be able to exist for hours or even days in our warm, wet brain. Experiments should soon test the idea.