Measurable amounts are believed to be present in the blood of nearly everyone.

Ecologists have long understood that biodiversity is paramount to ecosystem stability. Until now, however, most ecological ...

Phytoplankton is an important component of the food-web and is predated by a wide variety of aquatic organisms, such as water fleas, copepods and fish. These microscopic algae also play a crucial role ...

Invasive rats on tropical islands are creating winners and losers among the tiny underwater animals near the bottom of the ...

Microplastics — tiny pieces of plastic less than five millimetres in size — have been found in marine and freshwater animals ranging from tiny zooplankton to large whales. However, researchers are ...

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In some areas, krill is becoming less reliable for the penguins.