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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.

Can Drones Save Lives?

There are a lot of concerns over technology overtaking human jobs, but in many cases it’s actually helping humans be better at their jobs. One quick example is drone technology as used for disaster and emergency rescues. This technology has already been used to help find earthquake and hurricane survivors that are trapped or isolated in places that we can’t easily see,  but now drones are also being used to save lives at the beach!

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