Usually, the smell of smoke in an Ohio State University classroom would signal trouble. But, in the Bar-B-Q Science class, smoke indicates progress. Twice a year, as part of the two-credit course, 30 ...

A glow-in-the dark, magnetic, stronger-than-diamond material might be a bizarre new form of carbon. Scientists call it Q-carbon. After diamond and graphite, it’s the third known solid phase, or form, ...