postdive, the real work begins. >> when we found water coming out of some springs, nothing coming outof the other ones where nothing was coming out they started producing again. >> he said the discovery is that ocean vents are affected by high and low tides, caused by lunar cycles. what's amazing something two miles deep can be influenced by something 200,000 miles above. in the atlantis science lab researchers are working 24/7 bagging documenting and freezing samples. >> half of the air we breathe, implications for frg and also energy and also for climate change. >> scientists aren't the only ones interested in unique forges like the dorado outcropping. mining companies see this and they think minerals, metals and a whole lot of money. >> and that's coming up next. we want to hear what you think about these stories. join the conversation by following us on twitter and at aljazeera.com/"techknow." >> sunday night. >> 140 world leaders will take the podium. >> get the full story. >> there is real disunity in the security council. >> about issues that impact your world. >> infectious di