Not only are kangaroos cuter than cows — those built-in overalls! — but their farts contain way less planet-warming methane. (They aren’t totally methane-free, as scientists once thought, but the amount per food unit is about 80 percent less than cows.) And scientists think the intricacies of kangaroos’ bacteria-rich guts could help them figure out how to cool the planet.
View original post 110 more words