apples and oranges
...that some scientists, in response to the popular idiom dismissing the possibility, have conducted experiments to compare apples and oranges?
...that some <a href="./Scientist" id="mwBtI" rel="mw:WikiLink" title="Scientist">scientists</a>, in response to the popular <a href="./Idiom" id="mwBtM" rel="mw:WikiLink" title="Idiom">idiom</a> dismissing the possibility, have conducted <a href="./Experiment" id="mwBtQ" rel="mw:WikiLink" title="Experiment">experiments</a> to compare <b id="mwBtU"><a href="./Apples_and_oranges" id="mwBtY" rel="mw:WikiLink" title="Apples and oranges">apples and oranges</a></b>?