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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

The string-loop theory that might finally untangle the universe

Could two rival theories of the make-up of the cosmos really be the same thing? Pulling at the threads could reveal a deeper reality

Features

Artist's impression of quasar

Space

Oldest, biggest black holes may have come from enormous stars

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Physics

Cosmic uncertainty: Your skull is an amazing physics lab

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Technology

How to dust a telescope’s 78-square-metre mirror with CO₂

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Health

To advance science we need to think about the impossible

Leader

antimatter

Physics

Cosmic uncertainty: Are there antimatter worlds out there?

Features

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Physics

Cosmic uncertainty: Does time go both ways?

Features

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Physics

Cosmic uncertainty: Are there really just three dimensions?

Features

quantum weirdness

Physics

Cosmic uncertainty: Could quantum weirdness be even weirder?

Features

light

Physics

Cosmic uncertainty: Is the speed of light really constant?

The universe's ultimate speed limit seems set in stone. But there's good reason to believe it might once have been faster – and may still be changing now

Features

Space

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

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Space

Family tree of stars helps reconstruct Milky Way's formation

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Physics

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

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Physics

The maths problems that could win you a million dollars

Features