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Quiz: how much do you know about energy?

How many lightbulbs does the average home use, and how much do we spend on keeping food and drink cold? Source: The Guardian Date: July 2014 Test your knowledge (English)

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The wonderful world of energy

Energy: the life force. Without it, we’d be inanimate nothings. We wouldn’t have cells that generate new tissue or minds that fire signals from neuron to neuron. We wouldn’t have sunlight to warm us or to feed our plants. We

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A guide to the energy of the earth

Energy is neither created nor destroyed — and yet the global demand for it continues to increase. But where does energy come from, and where does it go? Joshua M. Sneideman examines the many ways in which energy cycles through

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