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The secret of the Diamond weevil's sparkle

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The diamond weevilImage source, Other

Scientists have been fascinated by the diamond weevil ever since it was discovered a century ago.

Now, using powerful electronic microscopes, researchers at Groningen University have discovered why it's so sparkly.

It's because tiny scales in the pits on the weevil's wing are the same shape as actual diamonds and reflect the light just like the real thing.

Tiny scales on a diamond weevil's wingImage source, Other
Image caption,

These tiny scales on the weevil's back reflect light like real diamonds

The team now hopes to find out why the beetle evolved this way.

Bodo Wilts, the scientist in charge of the research, said: "We are going on with the same weevil and looking for a biological function - I am sure there is one."