A new study shows how the disappearance of an apex predator, the great white shark, from South Africa’s False Bay triggered changes throughout the food chain. With the loss of the top predator in the ...

A new UNSW-led global meta-analysis shows that PFAS concentrations can double at every step up the food chain, leaving top predators—and humans—potentially exposed to higher chemical loads. A ...

Researchers are looking at an invasive species of algae along the Atlantic coast as a possible reason for mercury in the food chain. Scientists are studying an invasive species of algae they believe ...

'The upstream part of the food chain is shaped like an hourglass,' says Ehsan Parandi. 'You have millions of farmers at the ...