While fuel cells generate clean energy, fuel cell sensors generate precise measurements and are a gold standard for breath alcohol analysis.

The developmental hourglass has long been seen at the level of embryos. By zooming in to single cells, this Perspective shows that mid-embryonic conservation arises from converging cell states ...

Audience analysis is the assessment and identification of interests, attitudes, preferences, behaviors, demographics, needs, and other data points of a particular group. In a business setting, ...