we see natural gas, we're also looking for natural gas seeps to find where the oil has been trapped. >> i thought following this leak would be complicated. professor, good to see you again. thank you very much. i suspect we'll be having occasion to talk a lot more in the future. chad, good to see you as well. latest airline innovations are on display in england this week. going to take you out there for a closer look at the bell of the ball.