The scientists, based at the University of Leeds, used a robotic submarine to study for the first time a deep channel that had been found on the sea bed.
Global expansion through acquisition is usually expensive, and expansion through internal growth is time-consuming and sometimes impossible in markets that are not actively growing.
After I explained to Juan that yes, we did have a moon and yes, it was very similar to his, I felt a sort of awe at the possibilities that existed in his world.