You're huffing up a mountain, covered in layers of clothes but also sweat. "Whew," you say, breathing heavy. Your ears have popped several times by now, and the air is thinner than what you are used to. You look up, and the view is nothing like the one from home. Mountains are different from anything else we see. The tall peaks, the high altitude and the temperatures ensure … [Read more...] about Learning the ecosystem by experience