Drugmaker AstraZeneca is harnessing the wisdom of crowds to help mix tomorrow’s cancer drug cocktails. The company said on Tuesday its decision to release preclinical data from more than 50 of its medicines was unprecedented in scale and would help accelerate the hunt for synergistic tumor-fighting drug combinations. The crowd sourcing initiative is being run as part of the DREAM Challenge, an open innovation non-profit biology project in which scientists pool ideas and crunch data.