If you've walked past the penguin exhibit at the zoo, then you've likely caught a whiff of their unpleasant-smelling poo. The smell has perhaps made you want to cover your nose and, despite a ...

Just a faint whiff of penguin poop pushes their favorite prey to take "frantic" evasive action, reveals new research. Antarctic krill swim in fast "zigzags" in reaction to guano from predators ...