To actually answer your question, the most common trick I could find was to cut an onion in half and place each half, cut-side-up, in opposite corners of the room. It’s best not to leave a cut onion open in the fridge (to eat later) because as soon as an onion is cut, it will start to absorb bacteria, etc. Now, that is no placebo effect! But cutting and cooking onions can leave your kitchen – and all surrounding rooms – reeking of the pungent, tear-inducing odor of the vegetable. [CDATA[ When cooking fish, onions, eggs or cabbage, you can prevent the smell of these items from wafting through your house by boiling a small pan filled with 1 cup water and 1 cup of vinegar. Why Artificial Intelligence is the Big Risk for Digital Marketing Jobs in Future. //