4 Scientific Explanations for the ‘Ghost’ You Think You See

Let’s pretend — for argument’s sake — that ghosts are real. What, then, do you define as a ghost? If you believe paranormal activities can have a supernatural cause, then you’re basically saying you believe in the world of spirits and demons and a universe that is not limited to the laws of physics.

But let’s be real here: Ghost’s don’t exist. These apparitions aren’t manifestations of a spiritual world and can be explained by the natural laws that govern the universe.

Here are a few theories for what ghosts might be, based on some science.

Full Article