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Today's bamboozle is from the Greenhouse presenter Gill Gauntlett.

We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find. What are we?

The stars

Listen back to the show to hear all of the great answers we had!

If you have a bamboozle for us call Kelly on 08459 455 555 weekdays between 6am to 9am or e-mail kelly.betts@bbc.co.uk with your name and number.