Mind
Test your brain on these mind-bending scientific riddles
A bizarre Christmas dinner invitation, some mysterious carol singers and even a spot of charades. Can you solve all 12 of our unique festive riddles?
Features
Physics
How 3 imaginary physics demons tore up the laws of nature
Features
Physics
Why quantum mechanics says the past isn’t real
Comment
Physics
Physicists have worked out a universal law for how objects shatter
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Physics
We may need a fourth law of thermodynamics for living systems
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Physics
Brian Eno and Beatie Wolfe discuss their new spacebound album, Liminal
Culture
Chemistry
Why quasicrystals shouldn’t exist but are turning up in strange places
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Technology
Static electricity can remove frost from windows using little energy
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Physics
The fascinating story of the ultimate cosmic law
Comment
Mathematics
Mathematicians have found a hidden ‘reset button’ for undoing rotation
Mathematicians thought that they understood how rotation works, but now a new proof has revealed a surprising twist that makes it possible to reset even a complex sequence of motion
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Physics
Physicists are uncovering when nature’s strongest force falters
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Physics
Swirly lasers can control an ungovernable cousin of magnetism
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Physics
We may finally know what causes will-o’-the-wisps
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Space
How faster-than-light explosions could reveal the universe’s secrets
Features