Michael Urban and Feng Sheng Hu, University of Illinois at Urbana-Champaign (IMAGE)

University of Illinois at Urbana-Champaign, News Bureau

Michael Urban and Feng Sheng Hu, University of Illinois at Urbana-Champaign

Caption

A study led by University of Illinois plant biology professor Feng Sheng Hu (right), with graduate student Michael Urban, used a spooling-wire micro-combustion device (pictured) coupled with an isotope mass spectrometer to analyze individual grains of grass pollen to determine the age of C4 grasses. The study pushed back the origin of C4 plants by millions of years.

Credit

L. Brian Stauffer, U. of I. News Bureau.

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Photo may be used only with stories about the research described in the news release. Please credit: Photo by L. Brian Stauffer, U. of I. News Bureau.

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