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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

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Physics

Cosmic uncertainty: Are there really just three dimensions?

Many physics theories demand the existence of more dimensions of space. If they do exist, we might be perceiving them as something else

Features

quantum weirdness

Physics

Cosmic uncertainty: Could quantum weirdness be even weirder?

Features

light

Physics

Cosmic uncertainty: Is the speed of light really constant?

Features

An asteroid hitting Earth

Space

If an asteroid hit London only 3% of deaths would be from impact

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The Milky Way

Space

Family tree of stars helps reconstruct Milky Way's formation

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Boltzmann brains

Physics

Universes that spawn 'cosmic brains' should go on the scrapheap

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Crumpled paper and broken pencils on a table

Physics

The maths problems that could win you a million dollars

Features

symmetry artwork

Physics

Magnets, boiling kettles and the secret code underlying reality

Features

Computer image of a cat

Technology

AI learns to solve quantum state of many particles at once

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Plain full of city lights with Milky Way above

Space

Starlight test shows quantum world has been weird for 600 years

Unknown physics that could undermine quantum theory has been ruled out in a measurement guided by starlight emitted at least six centuries ago

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Space

Gravitational wave detector prepares to peer into bizarre stars

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Physics

LHC sees matter and antimatter misbehaving in alternate particle

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Space

Mystery radiation 'clouds' may pose risk to air travellers

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Space

Sun's rotation is slowed down by its own photons

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