This is a scientific case of the s - - ts and giggles. You don’t need to tell scatological jokes to induce laughter — penguin scat will do that on its own. That’s right, the flightless bird’s feces ...

Researchers from the University of Copenhagen discovered that feces from king penguins emits a lot of laughing gas. Large amounts of laughing gas or nitrous oxide is released via their poop due to ...