For years, spot-the-difference puzzles have intrigued and entertained people of all ages. These brain-teasing challenges feature two almost identical images with slight variations, requiring a sharp ...

Is it a rhododendron or an azalea? It can be puzzling because all azaleas are rhododendrons, but not all rhododendrons are azaleas. Both plants are woody, rounded shrubs in the Ericaceae (blueberry) ...