been a wild ride. First of all, I found out that the iceberg that I came down to study not only was larger than the iceberg that sank the Titanic, it was not only larger than the Titanic itself, but it was larger than the country that built the Titanic. That's pretty big. This is B-15. So what we see here is the white cliff. It's about 150 feet tall, so that means that there's over 1,000 feet of ice below the water line. This iceberg is so big that the water that it contains would run the flow of the river Jordan for 1,000 years. It's so big that the water that is inside of it would run the river Nile for 75 years. MacAYEAL: This is a little bit of video that we shot when we were flying up to the iceberg. It looks big and it looms above us, even if we're on an aircraft flying above the iceberg, the iceberg is always above us. It's above us because it's a mystery that we don't understand. Here's a picture of what it looked like once we had arrived in the center of the iceberg. We put out our instruments. Now we're gonna have an opportunity to monitor how the iceberg drifts north. They're so big, there's an element of fear. We don't know, really, what's going to come ahead when they eventually begin to melt in the ocean beyond Antarctica. What we're seeing now here is a