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A Math Theory for Why People Hallucinate

July 30, 2018

Psychedelic drugs can trigger characteristic hallucinations, which have long been thought to hold clues about the brain’s circuitry. After nearly a century of study, a possible explanation is crystallizing.

Swarming Bacteria Create an ‘Impossible’ Superfluid

July 26, 2018

Researchers explore a loophole that extracts useful energy from a fluid’s seemingly random motion. The secret? Sugar and asymmetry.

Closed Loophole Confirms the Unreality of the Quantum World

July 25, 2018

A quickly closed loophole has proved that the “great smoky dragon” of quantum mechanics may forever elude capture.

To Remember, the Brain Must Actively Forget

July 24, 2018

Researchers find evidence that neural systems actively remove memories, suggesting that forgetting may be the default mode of the brain.

How Artificial Intelligence Can Supercharge the Search for New Particles

July 23, 2018

In the hunt for new fundamental particles, physicists have always had to make assumptions about how the particles will behave. New machine learning algorithms don’t.

The Peculiar Math That Could Underlie the Laws of Nature

July 20, 2018

New findings are fueling an old suspicion that fundamental particles and forces spring from strange eight-part numbers called “octonions.”

Q&A

Three Major Physics Discoveries and Counting

July 18, 2018

Sau Lan Wu spent decades working to establish the Standard Model of particle physics. Now she’s searching for what lies beyond it.

Why Nature Prefers Couples, Even for Yeast

July 17, 2018

Some species have the equivalent of many more than two sexes, but most do not. A new model suggests the reason depends on how often they mate.

A Short Guide to Hard Problems

July 16, 2018

What’s easy for a computer to do, and what’s almost impossible? Those questions form the core of computational complexity. We present a map of the landscape.

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