
Does a glass of ice water filled to the brim overflow when the ice melts? Does the energy inside a sauna increase when you heat it up? What's the best way to cool your coffee--adding the creamer first or last? These and other challenging puzzlers provide a fresh--and fun--approach...

Does a glass of ice water filled to the brim overflow when the ice melts? Does the energy inside a sauna increase when you heat it up? What's the best way to cool your coffee--adding the creamer first or last? These and other challenging puzzlers provide a fresh--and fun--approach...