Magnetically powered 'nanosperm'; Inovio announces reverse stock split;

> Scientists have developed a propulsion system that moves synthetic "nanosperms," which could someday be employed for therapeutic uses, by using a weak oscillating magnetic field. Story

> Inovio Pharmaceuticals ($INO), maker of vaccines that contain DNA plasmids, announced that its reverse stock split will become effective on June 5. Release

> By removing certain genes of the malaria parasite Plasmodium, researchers at the nonprofit Seattle BioMed believe it could become a vaccine for the disease. Story

> Aprecia Pharmaceuticals, maker of the ZipDose platform, signed an agreement with commercialization outsourcing organization inVentiv Health as it prepares for its first NDA application. Release