few politicians, journalists or individuals for understandable reasons really want to consider. and a new report shows the oil gushg from the volcano contains a vast amount of natural gas. as much as 40% concentrations. and that could be creating so-called dead zones as well for defenseless marine life beneath the surface. at the end of the day, we have "the thomas jefferson" coming in and out collecting information. not the only ship, but it's a more notable ship collecting data. trying to identify the mass, the size, and the potential liable of this underwater lake. and also any potential poisonous gas accumulations above the surface as the oil separates in the ocean and then the gases float to the top. joining us is donald, the director at the university of houston. what is your sense, professor, of the actual risks? in other words, when you go down