TO GO WITH AFP STORY BY Julie JAMMOT "Scientists seek miracle pill to stop methane cow burps"
Undergraduate intern Sora Chu prepares cow microbiome samples for analysis at the UC Davis Hess Lab in Davis, California on October 23, 2024. The lab studies ways to reduce methane emitted by cow burps. Paulo de Meo Filho, a postdoctoral researcher at University of California, Davis, is part of an ambitious experiment aiming to develop a pill to transform cow gut bacteria so it emits less or no methane. (Photo by NOAH BERGER / AFP)