Sanofi invests $700M in Alnylam's RNAi tech; Merck drops RNAi specialist Sirna;

> Sanofi ($SNY) invested $700 million in Alnylam's ($ALNY) RNAi technology. Story

> Merck ($MRK) sold Sirna Therapeutics, its RNAi arm, to Alnylam ($ALNY). Article

> Researchers at the University of North Carolina have come up with a new way to visualize RNA, an advancement that could have future implications for drug delivery. More

> Interface Biologics and Q3 Medical Devices signed an agreement to develop a drug-coated balloon with Interface's Kinesyx technology. Release