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The cool, glistening waters of public pools are certainly seductive on a hot summer day. But if they're not properly maintained and treated, these public pools spread germs that can cause unpleasant illnesses and ruin the fun. Here's what you need to know to stay safe (and cool) in a public pool.

Predicting the future is near impossible -- but that doesn‘t stop us all from having a red hot go. Human beings have been predicting the future since the beginning of history and the results range from the hilarious to the downright uncanny.

One thing all future predictions have in common: they‘re rooted in our current understanding of how the world works. It‘s difficult to escape that mindset. We have no idea how technology will evolve, so our ideas are connected to the technology of today.