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Try the hardest crossword ever set by a computer

Technology

Try the hardest crossword ever set by a computer

Silicon-chip logic is remorseless, but it can think laterally enough to flummox human minds. Up for the challenge? There's a prize to be won if you are

Features

Reverb: Why we dig messy sound

Life

Reverb: Why we dig messy sound

Features

Is the answer to life, the universe and everything 37?

Life

Is the answer to life, the universe and everything 37?

Features

The piste at the end of the universe

Space

The piste at the end of the universe

Features

Pearls of wisdom: The truth behind common sayings

Pearls of wisdom: The truth behind common sayings

Features

Man vs sherry trifle: Can I eat myself drunk?

Humans

Man vs sherry trifle: Can I eat myself drunk?

Features

DIY device to define the kilogram – using Lego

Physics

DIY device to define the kilogram – using Lego

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Spider Santa: Nicer gift-wrap, better sex

Life

Spider Santa: Nicer gift-wrap, better sex

Features

Rhyme and reason: Writing poems in computer code

Technology

Rhyme and reason: Writing poems in computer code

Features

Forget Turing – I want to test computer creativity

Technology

Forget Turing – I want to test computer creativity

The Turing test is too easy – creativity should be the benchmark of human-like intelligence, says Mark Riedl, inventor of the Lovelace 2.0 test

Opinion

Space

How to think about… Fields

Features

Physics

How to think about… Quantum reality

Features

Physics

How to think about… Higher dimensions

Features

Physics

How to think about… Mathematics

Features