News tagged with toxic effect

Pesticides hit bumblebee reproduction

Scientists already knew that neonicotinoid pesticides, which affect insects' nervous systems, can alter bee behaviour, putting these vital pollinators, already threatened by habitat loss and disease, further ...

Jun 20, 2012 5 / 5 (7) 5 | with audio podcast

Solving an evolutionary puzzle

For four decades, waste from nearby manufacturing plants flowed into the waters of New Bedford Harbor—an 18,000-acre estuary and busy seaport. The harbor, which is contaminated with polychlorinated biphenyls ...

Feb 12, 2014 5 / 5 (5) 1