The puzzling conundrum, which became a hot topic on Reddit during National Puzzle Day, asks users to move six glasses to form an alternating full and empty sequence. The question reads ...
Results 157 patients recruited. 125 (73.5%) patients deemed an empty inhaler as either full/partially full. 12 of 66 (18.2%) preventer inhalers with a dose counter were empty. 83% disposed their ...
Brainteasers have been proven to improve your brain age over time - so why not try out this 'empty glass' brainteaser on National Puzzle Day to put your mind to the test ...