Graduate student fellow Meshack Audu from New Mexico State University observes young students Easton, Ethan, and Rene as they experiment with the relationship between temperature and calories. By burning a walnut, students learned how to measure stored energy in plant sources. This was one of the labs in the recent 4-H summer camp, Biofuels Powering your World. Taught by educator Craig Bal, the summer camp was an education outreach piece of...