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So, yeah, there was a thermal runaway effect with the rocks around these glaciers and they would essentially, you get a positive feedback loop or an aggressive feedback loop and as more and more rocks were revealed, the temperature in a local area relative to a glacier would go up and you would have faster melt occurring. So the models didn't quite factor this in correctly and this also occurs with continental glaciers, though it's significant but the effect isn't as dramatic as what you would see with glaciers on the side of a mountain and that's just due to the shape and the depth and the size of continental glaciers. But nonetheless that's the main takeaway there and the implications for the future are pretty profound. They believe that the older models being correct, what we're going to see in the next decade or so from those models is that while the rate of sea level increase was initially good, it's going to increase not necessarily exponentially but it will increase parabolically where it's going to go up more quickly and it will continue on the path that the models were predicting but on a much shorter time scale if everything continues to melt the way it is. So that was a big takeaway from that.