We certainly share one sky, but there are people and places that habitually get more exposure to pollution than others. A new study on this exact issue poses a great question for us to ask today: What is pollution inequity?
As science and technology grow, so do the possibilities of how we humans communicate with one another. For example, only two decades ago it was nearly impossible to send a friend a photo of where you were standing, waiting for them, in real time. This leads people to ask a pretty big question though - When will communications technology be implanted in humans?
Earth from space is a beautiful sight. We can not only see pretty patterns created by our lights on the dark side of the planet, but over time we've also seen the amount of these lights on Earth grow. As of now, more people means more lights. A great opportunity to dig into today's big question: Is humanity using too much light?
The growth of urban spaces compounded with the changing climate is causing some scientists to take a look at how our urban areas interact with heat. Today’s big question explores urban heat islands by asking - how do cities handle heat?
Behind the lips of each and every one of us is a beautiful smile, right? Our teeth have been very valuable to us as a species. Scientists studying ancient human fossils started to notice some interesting things about our teeth through the ages. The big question is - did ancient humans have modern dental issues?