Cancer research is tough stuff—but it's also surprisingly gruesome, too. This Sci Show video explains how the latest insights into curing the disease include cannibalism, zombies and suicidal cells.

Don't worry, it's not on the human level: these findings are all about what happens to cells. But it's fascinating to hear about the weird and wonderful ways in which our bodies respond to cancer—and how we could harness the findings to save lives, too. [YouTube]