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Humans

Holiday brain-off round 2: Test your reaction time

Who in your family has the sharpest reflexes? To find out, all you need is a ruler and this table of numbers

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Technology

Old 51��: How to get drunk rationally

Regulars

Humans

Holiday brain-off round 3: Build the Tower of Hanoi

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Humans

Holiday brain-off round 1: Challenge your original thinking

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Health

Hangovers: What science says about why you feel so rough

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caribou

Life

Reindeer riddle: How do you tell caribou apart?

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Technology

Don’t believe the Skype: We never wanted to video call people

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Earth

Animal magnetism: Why dogs do their business pointing north

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origami

Technology

Fold your own universe with our cosmic origami decoration

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Quantum computers ditch all the lasers for easier engineering

Technology

Quantum computers ditch all the lasers for easier engineering

Some schemes for making quantum computers require millions of ions, each with their own laser - making them impractical. But it seems there is another way

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Life

Quantum solar cells could explain why plants are green

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Physics

Physics may be a small but crucial fraction of our reality

Culture

Physics

The world in 2076: The theory of everything is here – we think

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Physics

Smallest sliver of time yet measured sees electrons fleeing atom

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