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.
From work to vacations and beyond there are a lot of flights required all over our planet every single day. This means there are hundreds of thousands of planes taking to the air every single day to get us to our vacation destinations, visit family, get to meetings, and what not.
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!
In the event you have not stepped outside in the last few weeks, let me tell you, it's been cold! Recently we experienced a 2-week severe cold snap that began during the last week of December and lasted through the first week of January. Real cold stuff, folks - like hitting 20 degrees below normal (that is, usual) winter temperatures in some VA cities! Many places even saw a record cold start to the new year.
Science can land humans on the moon, help us better understand long term climate trends, shed light on how to fight diseases, and it can even answer age old questions like…who’s smarter, dogs or cats? Listen to this Question Your World radio report produced by the Science Museum of Virginia to find out.