Stable isotope methods play a key role in reconstructing important issues such as ancient human diet, migration, the origin and domestication of plants and ...

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

Antarctic penguin colonies are showing dietary shifts, according to new satellite data. Researchers analysed guano stains to ...

Scientists thought dead plant material was primarily powering the Everglades. Algae says not so fast.

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 still ...

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 ...

Wildlife biologists used a novel technique to trace the movement of carbon through Arctic and boreal forest food webs and found that climate warming resulted in a shift from plant-based food webs to ...

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Webs aren’t just for spiders. They can, in fact, describe vast networks of interconnected relationships within ecosystems, based on the food preferences of plants and animals. Understanding a “food ...