There is the nagging question of whether life exists other than on Earth. The enduring mystery of who made us ? and why.
And then there is this: Why does the foam on a pint of lager quickly disappear but the head on a pint of Guinness linger?
And then there is this: Why does the foam on a pint of lager quickly disappear but the head on a pint of Guinness linger?


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