How do cheesemongers extend the value of a dying commodity? Heather Paxson explores how mongers care for living cheese—and for the craft of their trade.

Christopher Kelty opens up a toolkit from the 1990s to explore the prehistory of apps, platforms, and algorithms.

Where there is no kit and no infrastructure, there is vulnerability. Peter Redfield explores the role of medical humanitarian response in the Ebola crisis.

The editors of Limn Number 3 explain what a sentinel is and how it matters today.

Can a focus group be all of us? Rebecca Lemov explores how the box of donuts and the one-way mirror have become essential features of our self-understanding.

The timeline of the 2014 Ebola outbreak, compiled by Andrew Lakoff

Climate scientists have a frightening message, but the public doesn’t seem worried enough. Naomi Oreskes argues that the dispassionate ideal of science might be getting in the way.