TO GO WITH AFP STORY BY Julie JAMMOT "Scientists seek miracle pill to stop methane cow burps"
Postdoctoral researcher Paulo de Meo Filho holds a cow stomach fluid sample that’s part of a study on reducing methane emitted by cow burps at UC Davis in Davis, California on October 23, 2024. 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)