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Various theories have been put forward in an attempt to explain the bizarre phenomenon, but to date no satisfactory answers have been found. Some commentators suggest that kangaroos in the United States are the shy descendants of animals that, on some unknown occasion in the past, escaped from a circus or zoo. One rational explanation is that they are native marsupials not yet officially discovered or classified; however, the only evolutionary ancestors come from South, not North, America.

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Searching for answers: unexplained dream phenomenon. Science vs. folklore – What it is, why does it happen?

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Time travel involves various complicated concepts about time dilatation, wormholes, gravitational surge or energy, etc. In fact, different theories exist proving the validity of their hypothetical methods for time traveling. The simplest of all is in fact the experience of a middle-aged man claiming to have met his future self by going through his busted pipelines. Read all about it.

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Many recipients of organ transplants, (hearts/lungs, liver, kidney) have reported significant personality changes – which in many cases, correspond to the traits of the organ donor.
Could the donor’s personality, memories or consciousness remain within their tissue cells and be passed on to another human being?

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Can the dead really be frozen and brought back to life at a later time?