Copper + love chemical = big sulfur stink
Monday, February 6, 2012 - 17:30
in Biology & Nature
When a researcher set out to study a chemical in male mouse urine called MTMT that attracts female mice, he didn't think he would stumble into a new field of study. But the research has led scientists to the discovery that it's the copper in our bodies that makes mammals recoil from sulfur chemical smells.