When Priscilla and I started working on the Chan Zuckerberg Initiative's science mission to help cure, prevent or manage all diseases, our first major project was launching the Biohub. It has been very successful, so today we're launching a second Biohub in Chicago that will engineer miniaturized sensors to instrument living tissues to help scientists see and understand how cells work together. We're going to start by instrumenting skin and heart tissues with an initial focus on measuring inflam