The effects of the chemicals used to contain the BP oil spill worry scientists. July 9, 2012— -- Two years ago this week, the wellhead that ruptured on the sea floor of the Gulf of Mexico, ...

The decision to use dispersants on any given oil spill requires careful comparison of its health and environmental impacts compared to other available response options, including mechanical recovery, ...

Editor's note: Lisa Myers' report on oil dispersants will air Friday on NBC Nightly News. Amid growing concern about the use of dispersants in the Gulf of Mexico, a group of scientists working for law ...

Crude oil was added with and without dispersant under sunlight and dark conditions, with larger organisms filtered out. The study's use of state-of-the-art molecular tools typically employed in ...