today, our guest as professor bones are a toxicologist, and professor at the university of lou bloom by sheets. professor, what were you doing here and go away? the walk was to see what sort of shows do you have, what is it, is that what can i say or the bad? that if i 1st we assess the level of contamination of the eco systems that are relevant for the population that did a good saw a lady for the company and i saw the polluted out the waterways. i get put them in a so the plus so, so somebody's come a how contaminated are the fish that are in the cool book assault? i mean, yes, i don't see a nickel. so about the need for the quote, the nina. so after that we looked at people's house the 1st and last week it was so i thought we wanted to see how much they've been affected by eating the fish weaving in the dust and by the general contamination of their environment. they did the lucky on the, the table, so the professor sort of phone phone saw, has been investigation the each a logical and health impacts of coal release mining for 15 years working for several in ga us. it's something c