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Medicines. >> interesting sponges that have produced novel chemicals that have activity against certain types of cancer like pancreatic cancer or colon or breast cancer. one sponge in particular that were working on now is a glass sponge thats found in deep water. >> pomponi says this reef gets a clean bill of health for now, but its still a rush to collect as many samples as possible for a baseline, incase oil reaches the reef in the near future. >> so you guys are like the crime scene investig...

Today talked to the president of istanbul. the company plans to send a letter to the atomic energy agency outlining the proposal, and they n he said negotiationsn the fuel swap may begin. other people on the security council have criticized that proposed deal. stomp want to see the gulf oil spill from thousands of feet below the water? >> we have an amazing opportunity to go down in this thing. it looks like its from a science fiction movie. its called a man submersible. it can go down about 3,0...

Under water and survey for damage. in the past, most scientists have been using these rovs where they control them from up on the boat. but the scientists say nothing beats actually being in the water at that time. what we didnt see was any visible oil or any visible signs of damage to this reef. but we did take some samples of corals and sponges and we brought them back up onto the vessel into their lab, which is almost similar to a crime scene lab. they were literally cutting pieces of tissues...

>> as you can see its very windy out here. we are heading out into the middle of the gulf with a team of researchers this is called a manned submersible. and were going to be going there looking for oil to go there. we will be using this claw here to collect samples and also collect some fish and get baseline research here. >> there is a plexiglass tube. >> that is fascinating. if you see a fish you just suck it in? >> sometimes the fish are a little bit faster than we are.

Men like beer more than they like women. but when it comes to the art of beer tasting, were drinking you guys under the table. >> its always funny to hear my children talk to other parents or to their teachers when theyre asked about what does your mom do? my little daughter said, "she drinks beer all day." so when we went in for parent-teacher conferences, i had a little bit of explaining to do. >> weve got three samples to do a full profile on. appearance, aroma, flavor and finish. >> for appe...

Carry the oil and dispersants far from the source. >> 219 feet, were collecting a sample. >> reporter: morning dive number 3791, in an area known as the ledges. the goal to gather baseline data like scoops of sediment, corals and sponges, all samples that build snapshots of the before in case later, oil shows up. if there is oil here now, they know theyre collecting evidence for the federal government that later may be challenged in court by bp. >> i think the pressure i feel is to make sure wer...

Visual signs of the oil. >> reporter: this is day 13 of their month-long mission. were on the edge of the so-called loop current. an undersea highway that may carry the oil and dispersants far from the source. >> were collecting a sample. >> reporter: morning dive 37.front. the goal to gather baseline data like coral and sponges that build snapshots in case oil later shows up. if there is oil, they know theyre collecting evidence for the federal government that later may be challenged in court b...

>> reporter: this is day 13 of their month-long mission. were on the edge of the so-called loop current. an undersea highway that may carry the oil and dispersants far from the source. >> 219 feet, were collecting a sample. >> reporter: morning dive number 3791, in an area known as the ledges. the goal to gather baseline data like scoops of sediment, corals and sponges, all samples that build snapshots of the before in case later, oil shows up. if there is oil here now, they know theyre collecti...

Feeders. >> by taking samples of any of the samples you may be able to determine if theyre concentrating any small amounts of oil and/or dispersandispersa. >> the reason the oil may come here, the so-called loop current which is an undersea highway. the leaking oil that never floated to the surface caught in that current could wind up hundreds, even thousands of miles away. thats why the harbor branch oceangraphic team from florida university is working with the federal government to get what th...

Deploying this submarine. its a four-man submersible in spots all along the florida coast. today theyre launching in, actually, shallower water. this is designed to go up to 3,000 feet. im going to sit up there in that little plexiglass publ, as it were. today i think we are going to go down around 300 feet. here you can see they have the camera. thats where they collect their visual data in. this area here, there are arms that can grab. they will take samples like the sponges. theyll deposit in...