Mammals are unique in that they're practically the only creatures that take the time to chew their food. Or at least that's what we thought. New research shows that stingrays also use chewing motions to grind down their meal. And as this video attests, it's pretty damned weird to watch.
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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.