Cielo di bella
Why is the sky dark at night? You might think the answer is obvious - the sun isn't up! But the only reason the sky looks blue during the day is that sunlight scatters off of the atmosphere -...
[RAIN AND THUNDER] ♪♪ Inner North London, top floor flat, All white walls, white carpet, white cat, Rice paper partitions, Modern art and ambition. The host's a physician, Bright bloke, has...
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Only a few elements can be permanent magnets - iron is one. Copper is not. But if you pass an electric current through any metal it becomes a magnet - an electromagnet. But how does this work? Well...
Let’s say you want to become pope, head of the Catholic Church and shepherd to over 1 billion faithful. What requirements must you have for this lofty position: 1) Be a catholic and 2) Be a man....
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