BBC Science Focus Magazine

DECLINING COOKIES COULD BE WORSE FOR YOUR PRIVACY THAN ACCEPTING THEM

If you click ‘reject all cookies’ whenever you visit a new website, you may be revealing more about yourself than you think, says new research.

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What Causes Rainbow Clouds?
In the depths of winter, when conditions are just right, glittering clouds turn the polar skies into a spectacle of colour. Rainbow clouds – also known as ‘nacreous’ or ‘mother-of-pearl’ clouds after their resemblance to the iridescent shells of some
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