As cities grow, their populations become more diverse — on a species level. As we move into the future, many wild animals will be living in urban areas alongside humans and their pets. Now, urban planners are figuring out new ways to make urban species diversity possible — without killing anyone.
Have you ever been caught in a "phantom traffic jam," where cars have slowed down and even stopped for no reason at all? These are a real phenomenon, and they can be hotspots for accidents. In Nautilus, Benjamin Seibold reports on some possible reasons for these mysterious events.