Officials are still tracking a suspected Chinese spy balloon as it travels across the US. CNN’s Brian Todd reports on how spy balloons work and how...
Global energy prices are rising worldwide. When we heat or cool our houses, prepare food and make the products we buy, energy is the basis of...
It has been billed as the “greenest house in Europe”. Completely independent and without harmful emissions. (Name: This house in Devon, UK, will generate electricity from...
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