If this isn't the coolest piece of news reporting ever then I don't know what is!
"A simple mathematical model suggests that the microbes living in sauropod dinosaurs may have produced enough methane to have an important effect on the Mesozoic climate," researcher Dave Wilkinson of Liverpool John Moores University said in a statement.
"Indeed, our calculations suggest that these dinosaurs could have produced more methane than all modern sources - both natural and man-made - put together," he added.
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Isn't science great?