 Payload specialist Fred Leslie is continuing to work with a variety of the payloads that are housed in that 23 foot long space lab module. Most of the experiments being conducted as part of this U.S. microgravity laboratory are contained within that space lab module. There are some however also on the mid-deck of Columbia. Throughout the night the primary focus for ongoing science investigations on board Columbia will be the surface tension driven convection experiment. An experiment that studies the basics of fluid dynamics in the microgravity environment. In space lab Huntsville for Katie we would like to have that they're mistered down to begin this test please. What if further down the net? In space lab Huntsville for Katie if we could get an IR view please. To say the blue team even though we had to walk out of the orbiter the blue team looked down and said but we see the sun. In space lab for Katie just to let you know we're now beginning to see some oscillation so we'd like to hold here at this power setting. Do you want to go to two hours and stop there and change seats? And now with the live video from the space lab module we see Kathy Thornton going down to adjust one of the two space lab TV cameras. And we also see payload specialist Al Sacco at the Glovox facility. Meanwhile Kathy Thornton as we can see is going about her work which at this time is involving the drop physics module. She has one of the DPM bay doors open for getting the system configured. And space lab Huntsville for Kathy? It takes a little while to do that. And they've been growing now over about five days. And you're free to go to lunch. In this case we're looking towards deep space with an aft mounted camera in the payload bay of Columbia. And now we switch camera views and when we look from the forward end of the payload bay we get an excellent view of the clouds and the ocean surface below the spacecraft. As Columbia now moves to the southeast on a diagonal track which will be bringing it to the southern regions, extreme southern regions of Africa in the next few minutes. And that will be occurring in the latter portion of this sunlit segment of orbit 51. This is space lab operations and coming down from the space lab module now we have a couple different types of video as the onboard crew gets into some surface tension driven convection experiment work. And at the moment we're seeing the free surface deformation video which is one of the special diagnostic tools being used for the surface tension experiment.