The problemGlioblastoma is an aggressive brain tumor; MIT News notes a little more than 10,000 cases are diagnosed in the US each year and patients survive 12 to 15 months on average. Surgeons struggle to remove every cancer cell, so tumors often recur. Implantable wafers and gels can release drugs locally, but they rely on passive diffusion.What MIT builtResearchers led by Canan Dagdeviren created LUCID, the Long-term Ultrasound-enhanced Convective Injection Device, described in a paper in the...