What do sulfur isotopes reveal about the composition of the early atmosphere? Five undergraduates set out to explore this question as part of a short-term research project in the Johnston Lab this January. Over the course of three weeks, the students dug into geochemical data as a way to hone their statistical analysis and data visualization skills, and to get a taste for the kinds of questions and techniques involved in Earth science research.... Read more about Undergraduate students investigate the sulfur isotope record in the Johnston Lab