Mountaintop removal mining (MTR), also known as mountaintop mining (MTM), is a form of surface mining that involves the mining of the summit or summit ridge of a mountain.

A neuron under the microscope is very elegant with little things sticking out and little things over here, but when you start to put them together in a complex system, and you start to see that it becomes a brain, and that brain can create intelligence, what we're talking about in the body, and cancer is starting to model it like a complex system.