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Columnist

Tackling topics from the cutting edge of dark matter research to the latest developments in the tech world, explore the incisive opinions of New Scientist's expert columnists.

Mathematics

The man who ruined mathematics

The incompleteness theorem is accepted as part of the mathematical canon today, but columnist Jacob Aron says it was a bombshell when Kurt Gödel first introduced it. Gödel’s seminal work directly contradicted one of the great minds of mathematics and limited the field forever

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Physics

How a century-long argument over light’s true nature came to an end

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Iodised salt has become uncool but many of us need to eat more iodine

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Environment

How a DIY worm farm can compost food scraps, paper or a whole kangaroo

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Mind

The best kind of olive oil for brain health

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Physics

How Anthony Leggett pushed the boundaries of quantum physics

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Are humans degenerating genetically and getting dumber as a result?

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A negative attitude towards ageing is making you age faster

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Technology

Social media is a defective product

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Space

What does it mean if the universe has extra dimensions?

Dimensions beyond the four we’re familiar with could solve a host of problems in physics and cosmology. Columnist Leah Crane explores what a higher-dimensional universe might be like – and how we could find out if we live in one

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Mind

Why are we so suspicious of do-gooders?

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Space

What is a galaxy? That's a surprisingly difficult question to answer

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Humans

We’ve only just confirmed that Homo habilis really existed

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Mathematics

The secret to guessing more accurately with maths

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