Imagine a biotech company that pledges not to make money. That’s what a San Diego chemist, Marco Biomonte, has done. His non-profit biotech specializes in neglected tropical diseases. Company's unique mission: to develop tests that detect whether someone is infected with worms. The test for river blindness and loaisis would really fill a need, according to Dr. James McKerrow, the dean of UC San Diego’s Skaggs School of Pharmacy.