Ekki kannski beint brandari, en vísinda-grín eftir snillinginn Tom Lehrer. Hér er lotukerfið sett upp í “einfaldan” söngtexta sem allir geta munað! : There's antimony, arsenic, aluminum, selenium, And hydrogen and oxygen and nitrogen and rhenium And nickel, neodymium, neptunium, germanium, And iron, americium, ruthenium, uranium, Europium, zirconium, lutetium, vanadium And lanthanum and osmium and astatine and radium And gold, protactinium and indium and gallium (inhale) And iodine and...