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Clear answers to everyday science questions, from biology and physics to the climate.
3 articles · updated regularly
Featured · 2 min read
Why is the sky blue?
The real reason is not the ocean or the ozone layer — it is how air scatters different colours of sunlight.
Read the explainerIn plain English
The real reason is not the ocean or the ozone layer — it is how air scatters different colours of sunlight.
why is the sky blueRayleigh scatteringsunset colourslight explained
Science/How the world works
How vaccines work
A clear guide to immune memory, the main vaccine types, herd immunity and common side effects.
2 min readOct 2026
Science/How the world works
What is quantum computing?
Qubits, superposition, entanglement and the real limits of quantum computers — without the hype.
2 min readOct 2026
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