Oldsters remember Winsor McCay less for his editorial drawings than for “Little Nemo,” whose Adventures in Slumberland were a high spot of Sunday comic supplements 25 years ago. Nemo was a ...

New research suggests that the presence of penguin poop causes krill to lose their appetite, among other behaviors. Krill are like the popcorn shrimp of the Southern Ocean—everyone from whales ...

Scientists have shown for the first time that Antarctic krill show a stereotypical reaction in the presence of guano from Adélie penguins: they swim faster and make more turns over greater angles. It ...

Terms of Service and Privacy Policy. Although a single penguin is capable of devouring thousands of krill in a single sitting, swarms of the zooplankton may detect ...

The foul stench of penguin poop sets Antarctic krill on edge. In lab experiments, the mere scent of penguin droppings — or guano — sent krill scrambling for escape, researchers report March 20 ...

In a second set of experiments, the researchers showed that krill reduced their rate of ingesting algae for food by 64% when penguin poo was added to the water, dropping from 12.7 micrograms of ...