Some fresh advice on identifying and searching for your own community, from business innovator Nilofer Merchant.

Last Mile Health has expanded healthcare access to the most remote regions of Liberia. Raj Panjabi, the nonprofit’s founder and winner of the 2017 TED Prize, looks back at how his team handled the Ebola outbreak — and how it can help them build a healthier future for their country and us all.

African American writer Rich Benjamin spent two years living in — and writing about — America’s whitest neighborhoods. The response to his book (and TED Talk) was honest, raw — and sometimes misunderstood his purpose. Here, he responds to the response.