It’s been a longstanding demand of pro-Palestinian activists: divest from companies that do business with the Israeli government. That’s among the demands of some college protesters speaking out against Israel’s war in Gaza. Universities have been forced to drop their investments before: particularly during apartheid in South Africa. But there are some barriers to divestment today that previous movements never faced. How do endowments work? What does it take to divest… and how much can it really help save lives in Gaza?