Unraveling the mystery of whether cows fart

Airplanes don’t fart. But cows? Exasperated by merciless mocking from Republicans on this matter, Democratic Sen. Debbie Stabenow of Michigan lectured the Senate majority leader, Mitch McConnell, on the floor of the chamber last month.“The Republican majority leader said that we want to end air travel and cow farts,” Stabenow said. “By the way, just for the record, cows don’t fart. They belch.”The Associated Press surveyed global experts on global warming on this question, as well as an author who wrote the definitive science book on gassy animals, which comes with funny pictures.