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...energy, but that is not always good: if we eat more calories than we use in a day, the leftovers will be stored in our bodies in the form of fat. However, their delicious sweet taste might tempt us to eat one more biscuit, just one more bite. Back in the day when people did not have much to eat, a food rich in sugars was a treasure: consuming it would give you enough...

...energy to do so, leaving less energy for growth and reproduction. Consequently, they up smaller in size. Aside from the impact this has on shellfish, several of the species affected, such as corals in the tropics or coralline algae in the waters around the UK, also play a key role in providing food and nursing grounds for fish. And less fish food leads to fewer fish for...

...energy it takes to start up a variety of objects in this game developed to complement the series Shock and Awe: The Story of Electricity...PLEASE NOTE: This interactive was originally created for the broadcast of Shock & Awe: The Story of Electricity in 2011, therefore some of the data may not be up to date. [Spark it up launcher ] Launch Spark it Up Click the image above...

...energy (itself derived from coal, oil, natural gas, wind, water, nuclear reactions or other sources) into electrical energy. Here, we describe how to use readily available materials to make a simple generator. Although it will only be powerful enough to light a small torch bulb, it works on the same basic principles as the power station generators that supply domestic...