"We've come a long way in 10 years, from simple ideas to really seeing some substance in the existence and tractability of targeting these funny structures, " he told the BBC.

BBC: 'Quadruple helix' DNA seen in human cells

According to the plan, when the homeless have found a permanent place to live, the state will offer them whatever social services they need to succeed in that house, from substance-abuse counseling to simple help in learning how to shop or how to balance a checkbook.

NPR: Chronically Homeless See New Woes in New Orleans