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 recent years, its new alternative — krill oil — has emerged as a rich source of omega-3 fatty acids, packed with powerful antioxidants and a host of impressive nutrients. Derived from the ...

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 ...

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 ...