Unlike in the Arctic, where the area covered by winter sea ice is shrinking, Antarctica's ice-covered area is growing. How can this paradox be explained when temperatures are rising?
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Enthusiasm for generating electricity with wind turbines often overshadows scientific analysis. Where do we stand on the generation and distribution of this energy? What impact does it have on greenhouse gas emissions? Let's see what the figures tell us.
We tend to think of mathematics as a perfectly neutral science. Yet, like any human construct, its uses can prove more political than they appear. That is how an age-old geometry problem found its way into diplomatic debates in recent months.
Historically, differential equations emerged in response to geometrical questions and problems in physics, particularly the study of planetary motion, pendulums and, later, heat diffusion. Yet they have plenty of applications in biology too!
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