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While coasting down Gariwang mountain this year, downhill skiers will reach speeds your car can’t even legally achieve. It’s a...
Ah yes, Valentine’s Day...when love is in the air. Well, love is not the only thing in the air though. Scientists have been...
A team of engineers at Dartmouth College has invented a semiconductor chip that could someday give the camera in your phone the...

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How Many Mega Cities Are On Earth Now?

We now have seven and a half billion people on Earth and rising! A little over half of those folks live in urban areas where it does not get bigger than being in a mega city! As the number of people grows across the globe, so will the number of mega cities on Earth. Let’s explore this topic by asking today’s big question: How many mega cities are on Earth now? Listen to this Question Your World radio report produced by the Science Museum of Virginia to learn more.

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