Physics

santa

How does Santa deliver all those presents in one night?

If you hold up a grain of sand, the patch of sky it covers contains 10,000 galaxies

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Health

hair-dye

Why do we dye our hair?

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Physics

dark-matter

Is dark matter and dark energy relevant to the average person?

A dripping tap can waste more than 5,500 litres of water a year

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Physics

plane-wing

How do wings work?

Space

selfie

How does Curiosity take a selfie?

Technology

lens-flare

What are lens flares?

You’re 13 times more likely to laugh if you are amongst other people who are laughing

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Biology

eyes

What are those floaty things in your eye?

Physics

waves2

Which waves are for which purpose?

Physics

balloons1

Can you weigh helium in a balloon?