He showed a short video of a research subject, deaf from birth, 'hearing' words through the vest and writing them on a whiteboard after only a few hours' practice.

Because of the difficulty of his research subject, his promotion took six years instead of four.

The electrochemical mechanisms of electrocatalytic processes are a common research subject for various fields of chemistry and associated sciences.

Croft served as that research subject to determine if that same blood shift occurred in humans and measure it.

This document focuses on the principles physicians and researchers must consider when involving humans as the research subject.